Organization of Matter

Question 1

what is the BOHR model

Answer 1

describes the nucleus with electrons orbiting it

Question 2

protons define __________?

Answer 2

elements

Question 3

neutrons define ___________?

Answer 3

isotopes

Question 4

electrons define __________?

Answer 4

the elements bonding properties

Question 5

chemical reactions cannot change protons and neutrons but can change _____________?

Answer 5

electrons

Question 6

protons have a mass of ______ and a charge of ______?

Answer 6

1,+1

Question 7

neutrons have a mass of ______ and a charge of ______?

Answer 7

1, neutral

Question 8

electrons have a mass of ______ and a charge of ______?

Answer 8

0, -1

Question 9

number of protons =

Answer 9

the atomic number

Question 10

number of pro + Neu =

Answer 10

atomic mass

Question 11

isotope =

Answer 11

same element with different number of neutrons

Question 12

carbon 12 has ______ protons and _____ neutrons, with an atomic mass of ________

Answer 12

6,6,12

Question 13

Carbon 13 has ______ protons and _____ neutrons, with an atomic mass of ________

Answer 13

6,7,13

Question 14

carbon 14 has ______ protons and _____ neutrons, with an atomic mass of ________

Answer 14

6,8,14

Question 15

the number of electrons dictates what?

Answer 15

the net charge of an atom

Question 16

H has _____ protons ______ electrons with a net charge of ____?

Answer 16

1,1,0

Question 17

H+ has _____ protons ______ electrons with a net charge of ____?

Answer 17

1,0,+1

Question 18

H- has _____ protons ______ electrons with a net charge of ____?

Answer 18

1,2,-1

Question 19

any atom with a positive or negative charge is a ________?

Answer 19

ion

Question 20

any atom with a - charge is a _____?

Answer 20

anion

Question 21

any atom with a + charge is a _____?

Answer 21

cation

Question 22

nuclear reactions occur when?

Answer 22

protons and neutrons change

Question 23

Hydrogen 1,2, and 3 have _________ mass, but different __________?

Answer 23

same, neutrons