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Elements
Page 7
Questions (1,501)
Which two elements most likely have similar properties?
(1 point) Ca and Sc O Li and Fr OCs and Rn Fand Ne
3 answers
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Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share? (1 point)
O silver color O
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Which property do transition metals have in common? (1 point)
They usually have high melting points. They are usually very
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What Element am I?
My properties are very similiar to sodium. I am lighter than the element that has an atomic number one less
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asked by
mary k.
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Who am I? My properties are very similar to those of sodium, I am lighter than the element that has an atomic number one less
1 answer
asked by
mary k.
439 views
Which element has the same number of electron shells as tungsten (W)? ANSWER IS: GOLD (AU)
3 answers
asked by
ludsis
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List the macro and micro elements. Describe the importance of the elements listed above
3 answers
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Kando
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List the macro and micro elements
3 answers
asked by
Kando
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Which element has the same number of valence electrons as bromine (Br)?
(1 point) a potassium (K) b krypton (Kr) c chlorine (CI)
3 answers
asked by
deez
59 views
Which element has the same number of valence electrons as bromine (Br)?
(1 point) O potassium (K) O krypton (Kr) O chlorine (CI)
3 answers
asked by
deez
79 views
there are two naturally occurring isotopes of the element zinc. the relative abundance and mass of each are as follow
64
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asked by
000
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the alkali metals are a group of oxidation metals that decrease in melting point down the group. Halogens are non-metals that
4 answers
asked by
chelsea
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rubidium is the fourth element in group 1. predict the following properties of rubidium and its compunds:
A. appearence B.
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asked by
chelsea
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DESCRIPTION OF SILICON?
3 answers
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Which key difference between carbon and silicon makes carbon better suited to forming molecules for living things?(1 point)
1.
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Name one metal ion that's not multivalent.
Hydrogen?
7 answers
asked by
Damon
648 views
I was to classify these elements as metals or nonmetals----iron, cobalt, sodium, oxygen,chlorine, and helium. This is how I
3 answers
asked by
sue
719 views
How many protons, nuetrons, and electrons are in
18 2- O 8
1 answer
asked by
Meg
382 views
Why are the noble gases the least reactive elements? (1 point)
Responses They have a full valence electron shell. They have an
3 answers
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Neon and argon are both in Group 18 of the periodic table. Which property do they most likely share?(1 point) Responses silver
3 answers
asked by
trippie
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Which element has chemical properties that are most similar to the chemical properties of Sulfur, S?
7 answers
asked by
Lettuce?
59 views
The element platinum has ccp packing with a face-centered cubic unit cell. The density of platinum is 21.5 g/cm3. Calculate the
3 answers
asked by
tweety
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There are three stable forms of neon: neon-20, neon - 21 and neon-22. Which statement is true? (1 point)
Their number of protons
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asked by
len
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There are three stable forms of neon: neon-20, neon-21, and neon-22. Which statement is true?(1 point)
Responses Their number of
4 answers
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Which element has atoms with valence electrons in a higher energy level than those of calcium (Ca)?
(1 point) Responses oxygen
2 answers
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are these the most electronegative elements in order?
F O N Cl Br C S I P H
3 answers
asked by
em
852 views
Stable Ions Quick Check
4 of 54 of 5 Items Question Potassium’s atomic number is 19, and its atomic mass is approximately 39.
2 answers
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Which element has six valence electrons?
(1 point) Responses lead (Pb) carbon (C) oxygen (O) phosphorus (P)
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There are three stable forms of neon: neon-20, neon-21, and neon-22. Which statement is true?(1 point)
Responses Their atomic
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Four elements account for over 90% of the matter of things. What are the elements?
2 answers
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Use the following answers for questions 1 - 3.
(A) F (B) S (C) Mg (D) Ar (E) Mn 3. Forms oxides that are common air pollutants
3 answers
asked by
Rachel
576 views
Hi,
can you tell me what the valency of Aluminium and Selenium? hi i was going to pose that question im glad you did are you
3 answers
asked by
Angelika
433 views
Neon and argon are both in group 18 of the periodic table.which property do they most likely share?
Silver color Metallic texture
3 answers
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61 views
What property of nonmetallic elements makes more likely to gain electrons than lose electrons?
Non-metals already have outside
3 answers
asked by
Bryan
727 views
Name an element that has 5 electrons in the third energy level. How do i determine the third energy level
Row<b> three</b> on the
3 answers
asked by
Bryan
1,318 views
Question 1: What is the chemical symbol for sodium?
Responses 1) Na 2) N 3) NA 4) sodium
25 answers
asked by
Clueless
71 views
What is the atomic number of carbon?
6 12 12.011
2 answers
asked anonymously
22 views
Why are the noble gases the least reactive elements? (1 point)
2 answers
asked anonymously
68 views
Which element does not have the same number of electrons in its outermost shell as the other elements in its group?
2 answers
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45 views
Which is the heaviest element produced in large stars by nuclear fusion near the end of their life cycle?
a helium b iron c
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Which of these is a light element?
a lithium b iron c carbon d oxygen
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How many grams of magnesium would be a typical amount in a 60.-kg adult?
2 answers
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Classify the following as metals,metal looks, or nonmetals
chlorine Sulfur Phosphorus Potassium germanium cobalt nickel
2 answers
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notes on metals and non metals
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notes on metals and non-metals. include their properties, reactivity and their arrangements on the periodic table
2 answers
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A halogen with a higher atomic number than arsenic
2 answers
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A noble gas with a lower atomic number than barium
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A noble gas with a higher atomic number than thallium
What is the element
2 answers
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Use the list to answer the question.
potassium, Group IA calcium, Group IIA iodine, Group VIIA neon, Group VIIIA Which two
2 answers
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Why are the noble gases the least reactive elements? (1 point)
Responses They have an empty inner electron shell. They have an
2 answers
asked by
moo
65 views
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