Worksheets1.1-1.4 Test Review
Total questions: 25
Worksheet time: 18mins
An atom becomes _________ when it gains electrons.
Positive
Negative
Neutral
An atom becomes _______ when it loses electrons.
Positive
Negative
Neutral
Metal
Nonmetal
Metalloid
Metal
Nonmetal
Metalloid
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?
10
20
30
How many valence electrons does an atom of the element neon (Ne) have?
1
2
8
10
Which of the following do elements of the same group have in common?
number of protons
number of valence electrons
number of neutrons
number of protons and neutrons
How many valence electrons does an atom of the element rubidium (Rb) have?
1
3
8
2
Is this correct way to draw the Lewis Dot Structure for Carbon?
Yes
No, too many electrons
No, not enough electrons
No, dots are in wrong places
Is this the correct Lewis Dot Structure for Boron?
Yes
No, missing electrons
No, too many electrons
No, dots are in wrong place.
Which of these is incorrect?
This is a correct dot diagram for nitrogen (N)
true
false
Write the hyphen notation for the isotope that has 39 protons and 50 neutrons.
Yttrium-11
Tin-39
Tin-89
Yttrium-89
