What are the 3 states of matter?
Solid, Liquid, Gas
What are the 3 types of subatomic particles?
Protons, Neutrons, and Electrons
What is the name of the family found in group 17?
Halogens
What are the 2 types of ions?
Cation and Anion
What is the name of the starting substances found on the left side of a chemical equation?
Reactants
What is the phase change called when gas turns to a solid?
Deposition
What is the atomic number of Helium?
(Make sure to use your periodic table)
2
What is the name of the family found in group 2?
Alkaline Earth Metals
Would Barium (Ba) be classified as a cation or an anion? What is the new symbol for Ba?
Cation, Ba2+
What is the name of the final substances found on the right side of a chemical equation?
Products
When matter changes into a different kind of matter that is know as a ________ change.
A chemical change
How many neutrons does Aluminum have?
(Make sure to use your periodic table)
Aluminum has 14 neutrons
Which family is best known for having a full octet (8 valence electrons?)
Noble Gases
What type of chemical bond consists or a metal and a nonmetal?
Ionic Bond
Look at the equation below. Is it balanced?
2 H₂O --> O₂ + H₂
Yes, it is balanced
If something is composed of different substances and can be separated by physical it is a ________.
Mixture or Pure Substance?
A Mixture
How many valence electrons does the element Sulfur (S) have?
6 valence electrons
Which family is best known for having 1 valence electron and very reactive?
Alkali Metals
If hydrogen and oxygen react with each other, what type of bond will be formed?
Covalent or Ionic?
Covalent Bond
Look at the equation below. Is it balanced?
C₂ H₂ O₂ --> 2CO₂ + H₂
No, the oxygens are not balanced
A ____________ mixture is when the substance looks the same throughout.
Homogeneous or Heterogenous
Homogenous
So I can't put pictures but trust I know the correct answer.
In which family is calcium (Ca) found in and how many valence electrons does it have? (2 answers)
- Alkaline Earth Metals
- 2 Valence Electrons
Calcium and chlorine are bonded, what is the correct chemical equation?
CaCl2
Look at the equation below. Is it balanced?
N₂ + 3H₂ --> 3NH₃
No, the nitrogens are not balanced