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Periodic table
Page 5
Questions (1,352)
why are sodium and potassium in the same group on the periodic table?
they have similar atomic weights. they are both colorless.
11 answers
asked anonymously
154 views
Properties of elements gradually change across a ___ in a predictable way.
group period
3 answers
asked anonymously
36 views
list the trends in physical properties of:
A. the group 1 metals B. the halogens. what do they mean by trends?
2 answers
asked by
chelsea
1,165 views
Which value represents the first ionization energy of a nonmetal?
497.9kJ, 577.4kJ, 811.7kJ, or 1000.kJ ? I think the answer is
4 answers
asked by
Anonymous
2,662 views
Match the trend on the periodic table to its description
Atomic radius electronegativity ionization energy 1. a measure of how
3 answers
asked by
Username6672892889900
52 views
Based on the position on the periodic table, predict the relative reactivity of Cs and Ba
2 answers
asked by
Frankline
830 views
What is the primary reason for the trend in atomic radius going from left to right across the periodic table?
1.All atoms in a
3 answers
asked by
Emily
958 views
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with
9 answers
asked by
Anonymous
1,007 views
arrange the following groups of elements in order of increasing ionization energy :
a. Be,Mg,Sr. b. Bi,Cs,Ba. c. Na,A1,S
3 answers
asked by
cris
2,708 views
Why are the alkali and alkaline earth metals more reactive than other elements on the periodic table?
2 answers
asked by
Caitlyn
855 views
is there a pattern betweent he # of electrons in the outers shell of an element and its position along the row in the Perioidic
2 answers
asked by
Sara
636 views
whata the period block and group in which elements with the following electron configuration is located?
a) [Ne] 3s^23p^4 b) [Kr]
4 answers
asked by
jerry
1,501 views
Which group in the periodic table (1A... 5A) reacts with H2 to form compounds with the general formula MH2? Which reacts with F2
2 answers
asked by
Londy
1,021 views
the only element in the same period as helium
6 answers
asked by
Lettuce?
34 views
Video Question #3 What do elements in the same period have in common?
a they were all discovered around the same time b they all
2 answers
asked anonymously
60 views
Which property do the elements in each column of the representative elements series of the periodic table have in common?
number
11 answers
asked anonymously
89 views
Potassium and nickel are in the same row of the periodic table. What do these elements have in common?
• They have similar
3 answers
asked by
one
345 views
which element has the same number of valence electrons as bromine?
A. krypton B. selenium C. potassium D. Chlorine why are sodium
3 answers
asked by
sleepy bean
220 views
Why do elements that are in the same group of the periodic table share similar properties?
• They are all very reactive with
3 answers
asked by
one
113 views
which element has the same number of valence electrons as bromine?
3 answers
asked by
sariya
387 views
Use the periodic table to answer the question. An illustration shows the periodic table. Which element has the same number of
3 answers
asked by
LELELE
273 views
A scientisit performs tests on a sample of an element. The element is shiny solid that conducts electricity and heat. The
3 answers
asked by
Peyton
564 views
The elements in each period have the same number of what?
3 answers
asked by
Anonymous
1,592 views
A scientist performs tests on a sample of an element. The element is a shiny solid that conducts electricity and heat. The
4 answers
asked by
mari
1,638 views
Who is the father of modern periodic table?
3 answers
asked by
Kathy
566 views
What trend on the Periodic Table is a measure of how strongly atoms attract bonding electrons to themselves?
a density b
3 answers
asked anonymously
62 views
Which elements on the periodic table are the least reactive? (1 point)Responsesthe group with carbon at the topthe group with
3 answers
asked anonymously
68 views
Highest electronegativity on pauling scale
3 answers
asked anonymously
19 views
Nickel (Ni) is an element found in Group 10 of the periodic table of elements (see periodic table at the top of this quiz).
4 answers
asked by
Elite
1,577 views
Why did Mendeleev leave gaps in his early periodic table, and what was the ultimate importance of the gaps?
4 answers
asked by
Sara
1,289 views
List Sn , Sn2+, Sn4+ in order of decreasing ionization energy
3 answers
asked by
Al
2,448 views
Arrange the elements in decreasing order of the number of valence electrons
Br,S,Sb,Sr,F,Mg,I,Ca,Na,Kr,Xe,Bi,Ge,Ga,K
4 answers
asked by
M
3,821 views
Consider the elements neon, bromine, and phosphorus. Which has five electrons in its 4p sublevel?
I got phosphorus wrong as my
5 answers
asked by
Angela
991 views
What do all the elements in Group 8 have in common?
3 answers
asked by
teacher1
403 views
What is the general trend in the acidity of Period 3 oxides moving across the Periodic table from left to right? (Be sure to
4 answers
asked by
Janet
997 views
order Se, S, As, by increasing atomic radius? explain why?
3 answers
asked by
alex
640 views
Identify two advantages of the modern system of symbols used to represent th elements.
6 answers
asked by
Jiang
2,117 views
What is the purpose of the periodic table?
* 1 point To identify atoms in a compound To organize elements based on their atomic
7 answers
asked anonymously
72 views
Which two groups of elements in the periodic table are the most reactive?(1 point)
Responses noble gases and alkali metals noble
7 answers
asked by
shoto aizawa
116 views
Use the periodic table to answer the question. Which element has the same number of electron shells as tungsten (W)? (1 point)
7 answers
asked anonymously
82 views
bot, help!
Which two elements most likely have similar properties? (1 point) Responses Li and Fr Li and Fr F and Ne F and Ne Ca
7 answers
asked anonymously
23 views
On the periodic table, lithium and beryllium are in different groups. Which statement describes why the two elements are in
3 answers
asked by
Susssssssssssss
54 views
Use the periodic table to answer the question.
11 answers
asked by
totally not cheating
29 views
The ionization energies of Li, Na, K, Rb, and Cs are respectively 5.4, 5.1, 4.3, 4.2, and 3.9 eV. All are in Group 1 of the
3 answers
asked by
Sheryl
611 views
explain why lithium and beryllium have inconsistent behavior with the members of their group.
3 answers
asked anonymously
25 views
which group or period of elements has the largest atomic radius
3 answers
asked anonymously
21 views
list all the elements in group 1a 11a and period 3 in order of their increasing atomic number
3 answers
asked anonymously
33 views
Potassium and nickel are in the same row of the periodic table. What do these elements have in common? (1 point)
• They have
7 answers
asked by
Quira
95 views
The atoms on the periodic table are organized by an increasing number of what?
3 answers
asked anonymously
20 views
Which two groups of elements in the periodic table are the most reactive?(1 point) Responses
alkaline earth metals and halogens
3 answers
asked by
Susssssssssssss
75 views
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Parent Categories (15)
Atomic Structure
Chemical elements
Chemistry
Chemistry Education
Electronegativity
Elements
History of Chemistry
Inorganic Chemistry
Physical Science
Physics
Science
Science (or Chemistry)
Science and Chemistry
Science History
Science/Chemistry