Log in
Sign up for FREE
arrow_back
Library

Ch. 4 Review

star
star
star
star
star
Last updated about 3 years ago
9 questions
Required
4
Required
4
Required
4
Required
4
Required
1
Required
1
Required
2
Required
1
Required
4
Question 1
1.

Use your periodic table to determine the number of valence electrons in the following elements.

1
3
5
7
Nitrogen
Phospherous
Sodium (Na)
Chlorine
Question 2
2.

Use your periodic table to determine the number of core electrons in the following elements.

0
2
8
10
Nitrogen
Phospherous
Helium
Chlorine
Question 3
3.

Match the following shell diagram to the correct atom.

Draggable itemarrow_right_altCorresponding Item
Neon
arrow_right_alt
Nitrogen
arrow_right_alt
Aluminum
arrow_right_alt
Berilium
arrow_right_alt
Question 4
4.

Match the following elements to the charge their ion would have

Draggable itemarrow_right_altCorresponding Item
Mg
arrow_right_alt
+1
K
arrow_right_alt
+2
Br
arrow_right_alt
-3
N
arrow_right_alt
-1
Question 5
5.

Why do ions form?

Question 6
6.

Atoms that lose electrons are ____________ and ____________.

Question 7
7.

Which of the following formulas are correct? (the numbers should be read as subscripts)

Question 8
8.

What is the proper formula for Magnesium hydroxide?

Question 9
9.

what is the charge of the following polyatomic ions?

Draggable itemarrow_right_altCorresponding Item
Sulfate
arrow_right_alt
2-
ammonium
arrow_right_alt
3-
hydroxide
arrow_right_alt
1+
phosphate
arrow_right_alt
1-