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20 questions
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- Multiple ChoicePlease save your changes before editing any questions.
This symbol indicates a _______.
neutron
proton
electron
- Multiple ChoicePlease save your changes before editing any questions.
What 2 elements make up water?
Hydrogen and Carbon
Carbon and Oxygen
Hydrogen and Oxygen
Oxygen and Helium
- Multiple ChoicePlease save your changes before editing any questions.
How many molecules are in this formula?
1
2
3
6
- Multiple ChoicePlease save your changes before editing any questions.
What information does a subscript number tell us?
the number of atoms per element
the number of molecules per formula
- Multiple ChoicePlease save your changes before editing any questions.
What substance commonly exists in what 3 states of matter?
Oxygen
Carbon Dioxide
Rust
Water
- Multiple ChoicePlease save your changes before editing any questions.
An electron is located ...
in the nucleus.
outside the nucleus.
- Multiple ChoicePlease save your changes before editing any questions.
What is the atomic mass for this element?
6
12.0107
6.0107
18.0107
- Multiple ChoicePlease save your changes before editing any questions.
How many molecules are in the Reactant?
1
2
3
4
- Multiple ChoicePlease save your changes before editing any questions.
What information does the coefficient in an equation give us?
the number of atoms per element
the number of molecules per formula
- Multiple ChoicePlease save your changes before editing any questions.
What is the property of water is shown in the picture?
specific heat
universal solvent
capillary action
surface tension
- Multiple ChoicePlease save your changes before editing any questions.
The center of an atom is called
a/an __________.
atomic mass
nucleus
proton center
energy shell
- Multiple ChoicePlease save your changes before editing any questions.
How many neutrons are in an Calcium atom?
20
40.08
60
- Multiple ChoicePlease save your changes before editing any questions.
Which formula has 6 atoms of Carbon, 12 atoms of Hydrogen, and 6 atoms of Oxygen.
- Multiple ChoicePlease save your changes before editing any questions.
What property of water is shown in the picture?
surface tension
capillary action
universal solvent
specific heat
- Multiple ChoicePlease save your changes before editing any questions.
The atomic number of an element is determined by the _________ of ________ in the nucleus.
protons, neutrons
number, electrons
electrons, protons
number, protons
- Multiple ChoicePlease save your changes before editing any questions.
Which image shows a Bohr model for Carbon.
- Multiple ChoicePlease save your changes before editing any questions.
How many total atoms are in the product?
10
5
7
12
- Multiple ChoicePlease save your changes before editing any questions.
What property of water is shown in the picture?
surface tension
capillary action
universal solvent
specific heat
- Multiple ChoicePlease save your changes before editing any questions.
If the protons and electrons do not match, the atom is ____.
neutral
ion
- Multiple ChoicePlease save your changes before editing any questions.
Which equation shows the correct number of molecules?