CHEM SET 2

Question 1

greek word for atom

Answer 1

atomos

Question 2

negatively charged subatomic particle

Answer 2

electron

Question 3

positively charged subatomic particle

Answer 3

protons

Question 4

electrically neutral

Answer 4

neutrons

Question 5

Z

Answer 5

ATOMIC NUMBER

Question 6

A

Answer 6

MASS NUMBER

Question 7

Shows chemical symbol, mass no., and atomic number of isotope/atom

Answer 7

nuclear notation

Question 8

neutrons, protons, are the same as the _____

Answer 8

atomic number

Question 9

you have to subtract ___ and ____ to get the neutrons

Answer 9

atomic number and mass

Question 10

you have to add ____ and ____ to get the atomic mass

Answer 10

neutrons and atomic number

Question 11

who formulated the conservation of mass

Answer 11

antoine lavoisier

Question 12

chemical reaction rearranges atoms to form new product

Answer 12

law of conservation of mass

Question 13

two elements to react 2 or more compound ds

Answer 13

law of multiples proportions

Question 14

element with different specifications

Answer 14

isotope

Question 15

average f mass of naturally exisiting isotopes

Answer 15

relative atomic mass

Question 16

carbon 1reference for comparison in scale

Answer 16

carbon 12