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WorksheetsChemistry 1 Semester 1 Review
Total questions: 42
Worksheet time: 11hrs 30mins
In what state of matter are the atoms moving the slowest?
Solid
Liquid
Gas
Plasma
What element is Cl
Chlorine
Cleaner
Cleaon
Sodium
What is the symbol for Hydrogen?
Hy
He
H
N
What type of charge does a proton have?
negative
postive
no charge/neutral
What type of charge does an electron have?
positive
no charge/neutral
negative
What two sub-atomic particles belong in the nucleus of an atom?
electrons and protons
protons and neutrons
electrons and neutrons
What type of charge does a neutron have?
negative
positive
no charge/neutral
All matter is made of what...
energy
atoms
electrons
compounds
What is the average atomic mass of sodium (Na)?
11 g/mol
23 g/mol
1 g/mol
3 g/mol
What is the molar mass of CO2?
22 g/mol
16 g/mol
32 g/mol
44 g/mol
How is your chemistry teacher's last name spelled?
Paullus
Pallus
Paullaus
Paulus
Vaporization/ evaporation is the change of physical state from _______ to _______.
gas to liquid
liquid to gas
solid to gas
gas to solid
The amount of matter something contains describes its ________.
volume
mass
density
measurement
What is Kool-aid?
elements
heterogenous mixture
homogeneous mixture
compound
What is salad?
homogeneous
heterogenous
A physical change...
changes the physical properties of an object, but does not create a new substance.
creates a new substance and cannot be undone.
How many Nitrogen atoms are in Mg(NO3)2
1
2
3
6
Mg(NO3)2
Mg(NO3)2
H2SO4
Vertical columns on the periodic table are called ___?
groups
periods
rows
families
Which color on the image of the periodic table corresponds with the halogens.
red
black
blue
orange
Which color on the image of the periodic table corresponds with the transition metals.
red
black
blue
orange
Horizontal rows on the periodic table are called ___?
groups
periods
rows
families
How many valence electrons does Hydrogen Have?
1 Valence electron
2 Valence electron
3 Valence electron
4 Valence electron
5 Valence electron
How many valence electrons does Boron Have?
1 Valence electron
2 Valence electron
3 Valence electron
4 Valence electron
5 Valence electron
What is the correct Lewis Dot Structure for ammonia NH3
Which is the correct molecular structure for carbon dioxide?
Is the molecule overall polar or nonpolar?
Polar
Nonpolar
Is the molecule overall polar or nonpolar?
Polar
Nonpolar
Is the molecule overall polar or nonpolar?
Polar
Nonpolar
How do covalent bonds form?
Donating & receiving valence electrons between atoms
Oppositely charged ions attract each other & form bonds
Scientists are still not sure how they form
Sharing valence electrons between atoms
