test 5

Question 1

Atom

Answer 1

Smallest Particle of an element that still retains properties of that element

Question 2

Proton

Answer 2

Positively charged particle found in the nucleus

Question 3

Neutron

Answer 3

Neutrally charged particles found in the nucleus

Question 4

Electron

Answer 4

Negatively charged particle found outside the nucleus

Question 5

Nucleus

Answer 5

Small center region of an atom containing the protons and neutrons; positively charged

Question 6

Atomic number

Answer 6

Number of protons in an atom(z)

Question 7

Mass number

Answer 7

The sum of the number of protons number of neutrons in the nucleus 

Question 8

Mass number =

Answer 8

Mass# = atomic # + # of neutrons
Mass# = atomic # + N

Question 9

Isotopes

Answer 9

Atoms of the same element with different numbers of neutrons

Question 10

Groups

Answer 10

Vertical columns ( up and down) of elements on the periodic table 

Question 11

Periods

Answer 11

Horizontal rows ( side to side) of elements on the periodic table

Question 12

Regions of periodic table 

Answer 12

Metals, nonmetals, metalloids, noble gases

Question 13

A= Z+N

Answer 13

Mass number= Atomic number + neutrons 

Question 14

DimitriM vs HenryM

Answer 14

• DM ordered by increasing atomic mass
  -HM ordered by increasing atomic number
  -both worked on periodic table