Question

R it answe know it dont If you dont

Fill in the blank: The number of molecules in a chemical reaction are indicated by the _______




The ___________ on the left side of an equation must be balanced with the atoms on the right side of the equation.
Question 2 options:


total number of molecules


total number of atoms


total number of compounds


free electrons





What happens in a covalent bond between atoms?
Question 3 options:


each atom shares electrons so that they are both stable


electrons are lost by one atom and gained by the other


the smaller atom’s neutrons repel the electrons


the electrons flow in an electric current away from the bonded pair of atoms






(4) Fill in the blank: What is the correct name for the ionic compound Ca2P5?





What does a chemical change always result in?
Question 5 options:


precipitate


new reactant


increased activation energy


new substance





Metals tend to ________ electrons and become __________.
Question 6 options:


lose, anions


lose, cations


gain, anions


gain, cations






How many valence electrons do most atoms need to have in their outer shell to be most stable?
Question 7 options:


8


1


4


6

Answer 1

Answer: Imma try to answer as much as I know

Question 3 first statement

Question 7 first statement

Question 6 second statement

Question 5 fourth statement

Question 4 calcium phosphide

Question 2 second statement

Question 1 subscript

Hope it helps