EST

Question 1

Ionic bonds are when electrons are ____

Answer 1

Transferred

Question 2

Covalent bonds are when electrons are ____

Answer 2

Shared

Question 3

What charge do neutrons have ?

Answer 3

None it neutral

Question 4

How do u find the number of neutrons?

Answer 4

Atomic mass - atomic number

Question 5

Simplify atomic model show what

Answer 5

Electrons, protons, neutrons and shells

Question 6

What are isotopes of an element

Answer 6

Isotopes of an element share the same number of protons and electrons but have a different number of neutrons

Question 7

A mole represents what?

Answer 7

I’m on represents a quantity of matter ( mol)

Question 8

One more is equal to _____ Atoms

Answer 8

6.02 x 10^23 atoms

Question 9

What is molar mass

Answer 9

Molar mass is the mass of one more of that substance

Question 10

What is molar mass measured in

Answer 10

G/ mol

Question 11

What is molar concentration

Answer 11

Molar concentration is the amount of mold of a solute in a L of solution

Question 12

What is molar concentration measured in

Answer 12

Mol/L

Question 13

What is the equation to find molar mass

Answer 13

M = m/ n

M is molar mass ) ( m is mass ) ( n is moles

Question 14

What’s is formula to find molar concentration?

Answer 14

C= n/v

C is concentration) ( n is mols ) ( v is volume

Question 15

Why do molecules combine ?

Answer 15

Molecules combine to Achieve a sable structure ( to have 8 valence electrons)

Question 16

Ionic bonds form only between???

Answer 16

Metals and nonmetals

Question 17

Covalent bonds form only between???

Answer 17

Nonmetals

Question 18

What is the first step to form molecules?

Answer 18

1) find symbol on periodic table

Question 19

What is the second step to forming molecules?

Answer 19

2) determining the order of symbols, METALS BEFORE NONMETALS !!!!

Question 20

What is the third step to forming molecules ?

Answer 20

3) add subscripts to specify the number of ions each element has