WorksheetsChemical Bonding
Total questions: 9
Worksheet time: 9mins
Name
Class
Date
1.
What elements generally make an ionic bond?
a)
metal and nonmetal
b)
2 nonmetals
c)
metal
d)
none of the above
2.
What elements generally make a covalent bond?
a)
metal and nonmetal
b)
2 nonmetals
c)
metal
d)
none of the above
3.
In chemical compounds, covalent bonds form when
a)
the electronegativity difference between two atoms is very large.
b)
electrons are completely transferred between two metals.
c)
pairs of electrons are shared between two nonmetal atoms.
d)
two nonmetal atoms are attracted to each other by opposite charges.
4.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
5.
What happens when an atom loses an electron?
a)
It becomes Negatively Charged
b)
It remains neutral because the proton also leaves.
c)
It becomes Positively Charged
d)
It stays the same.
6.
If an oxygen atom has 8 protons (+) and 10 electrons (-), what is it's charge?
a)
O10-
b)
O8+
c)
O2-
d)
O10+
7.
An atom that gains or loses an electron becomes
a)
an isotope
b)
a new element
c)
an ion
d)
a molecule
8.
When an atom gains an electron it becomes
a)
negatively charged
b)
positively charged
c)
neurtal
9.
What is the charge of an aluminum ion that has 13 protons and 10 electrons?
a)
3+
b)
3 -
c)
no charge
100 %
