Ch 17 notes

Question 1

Smallest part of an element that has the properties of that element

Answer 1

Atom

Question 2

Atoms are made of

Answer 2

Neutrons,proton,electrons

Question 3

Atoms are electrically____ meaning that they have the same numbers of ________ and_______

Answer 3

Neutral_protons__electrons

Question 4

___ and ___ are located inside the nucleus

Answer 4

Protons and neutrons

Question 5

are located outside the nucleus in energy levels

Answer 5

Electrons

Question 6

The most stable atoms have their outermost energy level___?

Answer 6

Full

Question 7

Atoms with 4 or more electrons in the outermost energy level are more likely to ___?

Answer 7

Gain

Question 8

What are electrons in the outermost energy level called ?

Answer 8

Valence electrons

Question 9

If the outer most energy level is not full they may undergo a process called?

Answer 9

Ionization

Question 10

What forms when an atom gains or loses electrons

Answer 10

ION

Question 11

Energy levels are full when they hit the number __

Answer 11

8

Question 12

Atoms of the same element that have different numbers of neutrons are called

Answer 12

Isotopes

Question 13

Weighted-average mass of the mixture of its isotopes

Answer 13

Average atomic mass

Question 14

How do you find # of neutrons ?

Answer 14

Mass#-Atomic#

Question 15

What’s mass #?

Answer 15

Total # of protons and neutrons in the nucleus

Question 16

What’s atomic #?

Answer 16

of protons in the nucleus also equal to number of electrons

Question 17

What’s the big circle

Answer 17

Isotopes