LiBr is called
lithium bromine
lithium (I) bromine
lithium bromide
lithuim (I) bromide
Which of these combinations is an ionic compound?
Metal and Metal
Nonmetal and Nonmetal
Metal and Nonmetal
Cation and Cation
A(an) __________ bond exists between two nonmetals.
ionic
covalent
What is a negatively charged atom called?
Anion
Cation
Ion
What is a valence electron?
an electron that is found in the outermost shell of an atom.
an electron found in the innermost shell of an atom.
an electron found in the middle shell.
What type of reaction involves 2 substances combining to form 1 new compound?
Decomposition Reaction
Single Displacement Reaction
Double Displacement Reaction
Synthesis Reaction
What are the reactants in the chemical equation pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
What are the products of the chemical reaction pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
2Na +S → Na2S
Double Replacement
Decomposition
Combustion
Synthesis
Determine the number of moles of AlNO3 that are in 264 g of the compound.
2.97 mol
3.45 mol
2.73 mol
1.86 mol
A baker needs 6 g of baking soda for a recipe. The chemical formula for baking soda is NaHCO3. How many moles of baking soda is needed?
0.071 mol
0.167 mol
0.273 mol
0.214 mol
How many valence electron does Beryllium have?
1
2
0
4
Which subatomic particle has NO CHARGE?
Protons
Neutrons
Electrons
Nucleus
Which subatomic particle has a POSITIVE charge?
Protons
Neutrons
Electrons
Nucleus
Which subatomic particle has a NEGATIVE charge?
Protons
Neutrons
Electrons
Nucleus
Which subatomic particle tells you the identity of the Element?
Protons
Neutrons
Electrons
Nucleus
Which Element has 21 protons?
Carbon
Zinc
Titanium
Scandium
If an element has 11 protons and 12 Neutrons, what is it's atomic mass?
12
11
23
1
A FULL OUTER SHELL has how many electrons? (Not including the first level)
8
7
4
10
What is the name for this group of elements?
Alkali
Halogens
Noble Gases
Alkali-Earth
In the formula 2C6H12O6, what is the Coefficient?
5
6
2
12
What are isotopes?
different element with the same number of electrons
same element with a different number of electrons
same element with a different number of neutrons
different element with the same number of neutrons
What are the yellow elements in the following picture?
metals
nonmetals
metalloids
Anything that has mass and takes up space.
atom
colloid
compound
matter
Which element will have a higher electronegativity than Arsenic (As) ?
Carbon
Antimony
Germanium
Neon
You need 2 pieces of bread, 1 tablespoon of peanut butter and 2 tablespoons of jelly to make a sandwich. If you have 10 pieces of bread, 4 tablespoons of peanut butter and 20 tablespoons of jelly, what is the limiting reactant?
bread
jelly
peanut butter
sandwhich
The picture shows a piece of paper being cut in half with scissors. Which of the following statements is true of this process?
It is a chemical change because the paper particles were broken and rearranged.
It is a chemical change because the substance was changed to something new.
It is a physical change because the substance remained the same.
It is a physical change because the paper only changed its state of matter.
What is the molecular geometry of this boron trifluoride (BF3)?
linear
bent
trigonal planar
tetrahedral
One mole is equal to the number of atoms in exactly 12 grams of carbon-12. The number (6.02 × 1023 particles per mole) is known as
Planck's constant.
Avogadro's number.
Coulomb's constant.
Faraday's number.
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