Dont answer if you dont know it

Why do metals conduct electricity?
Question 1 options:

metals hang on tightly to their electrons

electrons flow freely in metallic bonds

electrons are good at insulating from heat

metals are slippery

In an ionic bond, electrons are .
Question 2 options:

given to noble gases

gained or lost

moved to inner shells/orbitals

shared

What happens when an acid is mixed with a base?
Question 3 options:

they will form a stronger acid

they will form a gas

they will neutralize each other

they will form a stronger base

How many valence electrons do most atoms need to have in their outer shell to be most stable?
Question 4 options:

8

1

4

6

Metals tend to electrons and become .
Question 5 options:

lose, anions

lose, cations

gain, anions

gain, cations

What does a chemical change always result in?
Question 6 options:

precipitate

new reactant

increased activation energy

new substance

Question 7
Fill in the blank: What is the correct name for the ionic compound Ca2P5?

Which is NOT evidence of a chemical reaction?
Question 8 options:

bubbles

precipitate formed

melting

color change