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WorksheetsReview for Atoms, Matter & Bonds
Total questions: 20
Worksheet time: 10mins
What is matter?
all living substances only
anything that has mass and takes up space
all non living substances only
Are non-living things made of matter?
Yes
No
What is the center of an atom called?
electron cloud
the middle part
the nucleus
the center
What is the region of the exterior of an atom called?
center
middle
electron cloud
nucleus
Which number is pointing to a proton?
1
2
3
Which number is pointing to a neutron
1
2
3
Which number is pointing to an electron?
1
2
3
What is the atomic number of Phosphorus?
15
30.974
P
What is the atomic mass of oxygen?
8
15.999
O
What is the chemical symbol for Potassium?
19
39.098
K
P
Which subatomic particle gives an atom its identity?
the atom
proton
neutron
electron
Which subatomic particle holds the nucleus together?
the atom
proton
neutron
electron
If an atom has a "charge", it is called
an atom
an ion
a molecule
a compound
If an atom has more protons than electrons, it has a ________________ charge.
positive
negative
neutral
What is a bond?
pushes atoms apart
Holds atoms together like "glue"
Which type of bond holds water molecules together?
ionic bond
hydrogen bond
simple covalent bond
Which type of bond holds Na (sodium) atoms and Cl (chlorine) atoms together to form table salt?
ionic bond
hydrogen bond
simple covalent bond
Is water polar or non-polar
polar
non-polar
What is an element?
a subatomic particle
a living organism
smallest whole unit of matter
a substance that can't be broken down into something smaller
An atom is the smallest unit of matter. What can it be compared to that is the smallest unit of life?
an element
another atom
a cell
a nucleus
