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WorksheetsChemistry Test Review
Total questions: 36
Worksheet time: 18mins
What are the subatomic particles that make up an atom?
proton, nucleus, electron
proton, decepticon, electron
proton, neutron, electron
positron, neutron, emojicon
The atomic number for oxygen is ...
10
9
8
7
An isotope of Uranium will always have 92 protons
True
False
The element gold is made up of only...
gold compounds
gold molecules
gold electrons
gold atoms
Where are metalloids found on the periodic table of elements?
the stair step
group 1
on the left
on the very bottom
The groups on the periodic table run...
vertically, up and down
diagonally
Diagon Alley
horizontally, left to right
The periods on the periodic table run...
vertically, up and down
diagonally
Diagon Alley
horizontally, left to right
The chemical properties of an element are determined by...
the relationship of the protons and neutrons
the ratio of protons to electrons
the of number valence electrons
the color of the element
The group can help us determine how many valence electrons an element has?
True
False
In a Lewis Structure, all of the electrons are shown.
True
False
Which is true for an ionic bond?
sharing of electrons
transfer of electrons
poor conductor
weaker bonds
Which is true about covalent bonds?
metal and nonmetals
transfer electrons
nonmetals only
stronger bonds
Nitrogen (N) and Oxygen (O) would form which type of bond?
ionic
covalent
Lithium (Li) and Chlorine (Cl) would form which type of bond?
ionic
covalent
Noble gases have a full valence electron shell and are considered stable. They do not for bonds with other elements.
True
False
Mass can change between reactants and products in a chemical reaction. Example, reactants = 20 grams and products = 15 grams.
True
False
I mixed two substances together (a liquid and a liquid) and bubbles formed. I now have no liquid in my container.
A physical change has occurred.
A chemical change has occurred.
I boiled some water in order to make some noodles. I walked away to send some snapchat messages. When I came back there was nothing in the pot.
A physical change has occurred.
A chemical change has occurred.
When a neutral atom loses an electron it becomes?
neutral
negative
positive
When a neutral atom gains an electron it becomes?
neutral
negative
positive
An ionic bond is an attraction between two...
atoms with a neutral charge.
atoms with both positive charges.
atoms with both negative charges.
atoms with opposite charges.
Atoms of the element oxygen share two pairs of electrons and form a ____________.
single bond
double bond
triple axle
triple bond
When a substance stays the same but changes from a solid to a liquid it has changed its _________________.
chemical composition
bonds
phase
smell
Sugar (C6H12O6) is which type of compound?
ionic
covalent
Table salt (NaCl) is which type of compound?
ionic
covalent
The following has a _________ charge.
neutral
negative
positive
No idea.
How many Phosphorus (P) are in this compound?
1
2
3
4
This compound is...
ionic
covalent
This chemical equation is balance.
True
False
How many atoms are in this chemical formula?
6
8
9
10
This is a picture of a solid, liquid, or gas?
solid
liquid
gas
What is the charge of this atom?
neutral
positive
negative
An atoms of the same element with differing numbers of neutrons are called?
ions
idioms
isotopes
isobars
The smallest of the three subatomic particles is?
electron
proton
neutron
positive
The substances formed during a chemical reaction are called?
consumers
reactants
products
protons
The smallest building blocks of matter.
compounds
molecules
volume
atoms
