8th Science Midterm Review

​ (a)   bond is formed between a metal and a nonmetal?

• Ionic
• Covalent
• Hydrogen

​ (a)   bond is formed between two nonmetals

• Covalent
• ionic
• hydrogen

Organize these options into the right categories

Groups:

(a) Ion

,

(b) Not an Ion

• NaCl

If Helium was going to create a bond, based on the periodic table and its number of valence electrons, what kind of bond would it create?

• Ionic

• Covalent

• Hydrogen

• No bond

How many valence electrons do atoms want to have in total?

​ (a)   ​ is likely to accept electrons when forming an ionic bond​

• Nonmetal
• Metal
• Noble Gas
• Molecule

​ ​ (a)   ​ is likely to give away electrons when forming an ionic bond​

• Metal
• Noble Gas
• Molecule
• Nonmetal

Which of the following would increase the rate of a reaction?

• Increase temperature

• Increase reactant

• Increase concentration of reactant

• Decrease temperature

Match the following.

1. Sugar water is created by combining sugar and water. The sugar then dissolves in the water to create sugar water.

• Sugar water

• What is the solution?

• water

• What is the solute?

• Sugar

• What is the solvent?

Atoms are more stable when they have how many valence electrons?

• 2

• 8

• 0

• 6