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WorksheetsChemical Interactions- atoms and bonding
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
What is an covalent bond?
a)
A chemical bond that involves sharing electrons
b)
A chemical bond that doesn't involve sharing electrons.
c)
A bond that is sciency
d)
A chemical bond that shares protons
2.
What is an ionic bond?
a)
A chemical bond that is the attraction of two oppositley charged atoms.
b)
A chemical bond that requires the transfer of electrons
c)
A chemical bond that isn't important
d)
ionic bond
3.
What do ionic bonds form between?
a)
metals
b)
nonmetals
c)
metals and nonmetals
d)
bonds
4.
What do covalent bonds form between?
a)
metals
b)
nonmetals
c)
metals and nonmetals
d)
covalent bonds
5.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
6.
The central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
7.
An atoms overall charge is
a)
positive
b)
depends on its mood
c)
neutral
d)
negative
8.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
9.
How many neutrons are in the atom "K"?
a)
7
b)
2
c)
39
d)
20
10.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
11.
What is the charge does a sodium ion have?
a)
+2
b)
+1
c)
-1
d)
-2
12.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
13.
What quantities vary between isotopes of an element?
a)
protons, electrons, and atomic mass
b)
protons, electrons, and atomic number
c)
neutrons and electrons
d)
neutrons and atomic mass
14.
Atoms of the same element must always have the same number of _________
a)
electrons
b)
neutrons
c)
isotopes
d)
protons
15.
How many electrons should Hydrogen have around its Lewis dot model?
a)
1
b)
2
c)
7
d)
8
16.
Which of the following is a negatively charged subatomic particle?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
17.
All matter is made of what?
a)
energy
b)
atoms
c)
electrons
d)
compounds
18.
What term is used for the joining of atoms to form new substances?
a)
valence electrons
b)
physical bonding
c)
energy level
d)
chemical bonding
19.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
20.
The number of ___________ in the atom of an element determines its chemical properties.
a)
valence electrons
b)
atoms
21.
What is the atomic mass of "F," Fluorine?
a)
9
b)
18
c)
17
d)
19
22.
What type of bond is this?
a)
ionic
b)
covalent
23.
This bond has the physical property to dissolve in water. What bond type is it?
a)
Metallic
b)
Ionic
c)
Covalent
d)
None of the options
24.
Predict the bond that will form between H and O
a)
Ionic
b)
Covalent
c)
Metallic
25.
Predict the bond that will form between Na and Cl.
a)
Ionic
b)
Covalent
c)
Metallic
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