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Chemical elements
Page 2
Questions (90)
14 carat gold has a purity of 58.3% How many moles of gold are in 124 grams of 14 carat gold ?! Answer in units of moles.
how
4 answers
asked by
Nicole
649 views
what do you use sulfur for or what is it made by.
Sulfur is a basic chemical, used in production of rubber, plastics, acids, and
1 answer
asked by
Becca
654 views
are the following true for the element gallium? if they are false make them true.
oxide more basic than Al203 oxide less basic
2 answers
asked by
Amanda
592 views
How much lead (Pb) is in 3.01 × 10^12 atoms of lead?
Answer in units of mol.
2 answers
asked by
Chuck
540 views
Lithium has 1 valence electrons. Sulfur has 6 valence electrons. These chemicals will likely combine in a ratio of ____ Li atoms
1 answer
asked anonymously
36 views
I'm working on chemistry homework, and I just came across a few issues I don't understand. For one, why isn't Sodium Bromide
4 answers
asked by
Eric
530 views
Determine which is larger member of each pair A) Mg2+ or Al3+ B) N3- or O2-? Explain
3 answers
asked by
Meron
468 views
Which of the following is most likely to deviate from ideal ga7 behavior?
(A)He (B)Ar (c) Cl2 (d) CCl2F2
2 answers
asked by
Yeneta
483 views
i am doing a project but i forgot my paper at school and i don't know what to write in my elements of platinum project
1 answer
asked by
sumaiya
496 views
Identify the charge of selenium. *
no charge -2 -3 +2 +3
1 answer
asked anonymously
11 views
In terms of electronic configuration and bonding, why is xenon regarded as an unreactive gas?
1 answer
asked by
trigger
465 views
what are the coordination numbers of Lithium,sodium,potassium?
1 answer
asked by
saheli
456 views
O=8, H=16
1 answer
asked anonymously
11 views
Which element would most likely lose electrons to form positive ions when bonding with other elements?
• rubidium (Bb) O iodine
1 answer
asked anonymously
39 views
). what has Largest ionization energy: Barium, Nitrogen, or Rhodium
1 answer
asked anonymously
29 views
Argon (Ar)
a.Alkali Metal b.Halogen c.Alkaline Earth Metal d.Transition metal e.Noble Gas
5 answers
asked anonymously
30 views
Ca3(PO4)2
In one molecule, there are Question Blank 1 of 3 type your answer... atoms of calcium (Ca), Question Blank 2 of 3 type
1 answer
asked anonymously
29 views
Column A
1. Selenium (Se- Atomic number 34) 2. Germanium (Ge- Atomic number 32) 3. Xenon (Xe - Atomic number 54) 4. Cobalt (Co-
1 answer
asked by
yoyo808
36 views
What are essential elements
1 answer
asked by
Livia
14 views
What is the nuber of chromium in the (NH4)2Cr2O7
1 answer
asked by
Imamudin yaba
22 views
Column A
1. Cesium (Cs) is a more reactive metal than Barium (Ba).: a Cesium (Cs) is a more reactive metal than Barium (Ba). 2.
1 answer
asked anonymously
22 views
Which element would most likely lose electrons to form positive ions when bonding with other elements?
(1 point) iodine (I)
1 answer
asked anonymously
25 views
The atomic symbol blank represents the chemical element blank.
Use the terms to fill in the blanks below. Nickel , Ni and 28
1 answer
asked anonymously
29 views
Identify all the terms that apply to each element. Check all of the terms that apply toboron. alkali metal alkaline earth
1 answer
asked anonymously
41 views
What is the charge on the resulting ion? Write the element symbol for an element that has this electron-dot formula. group 15
1 answer
asked anonymously
36 views
What is the molar mass of phosphorus?
Responses 106 g/mol 106 g/mol 31 g/mol 31 g/mol 207 g/mol
1 answer
asked anonymously
21 views
How much valence electrons does I2
1 answer
asked anonymously
10 views
NiS chemical name
1 answer
asked anonymously
12 views
What is the charge of an alkali metal ion?
A. 1+ B. 1- C. 2+ D. 2-
1 answer
asked by
e
28 views
What is true of a sulfide ion (S2-)?
It has two more protons than electrons. It loses two electrons during a chemical reaction.
1 answer
asked by
e
44 views
In which species does phosphorous have the highest oxidation number?
1 answer
asked anonymously
15 views
H 2 0 (water) indicates there are _____.
two hydrogen atoms and one oxygen atom in this chemical formula water is an acid two
1 answer
asked anonymously
10 views
Which chemical elements are involved in a global water cycle
1 answer
asked by
Kamogelo
7 views
Which of the following is a physical property of potassium?(1
1 answer
asked by
Disiirl
15 views
This question has two parts.
Part A: Which element chemically reacts like the provided element model? (1 point) Responses Silicon
1 answer
asked anonymously
43 views
HPE 7B-UEL
1 answer
asked anonymously
13 views
mercury
Eliminating Conditions(s)
1 answer
asked by
hekur
5 views
Highlight the group that forms anions with a -2 charge. list all
1 answer
asked anonymously
25 views
Drag and drop the images to correctly model the substances O2, CO, and CO2. Images may be used more than once or not at all.
1 answer
asked anonymously
5 views
What is the function of arsenic and fluoride in the water
1 answer
asked anonymously
4 views
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Parent Categories (4)
Chemistry
Elements
Periodic table
Physical Properties