periodic table review

horizontal rows are called what?

• periods

• groups

• families

• rows

protons and neutrons have ​ (a)   excpet for ​ (b)  

• mass
• electrons
• valence electrons
• matter

in groups, there are the same number of ______ on the outer shell

alkai metals are in ​ (a)   and are ​ (b)  

• group 1
• highly reactive
• unreactive
• group 2
• group 3
• group 4

periods have the same number of _____ on the holding shell

group 3-18 are what?

• noble gases

• metals

• non metals

• transition metals

Match the following

• group 17

• transition metals

• group 3-12

• non metals

• group 18

• alkaline metals

• group 2

• halogens

• group 13-18

• noble gases

draw a bohr model for Fe (iron)

which subatomic particle has a negitive charge?

• valence electrons

• electrons

• neutrons

• protons

moving from left to right across a row of the periodic table, which of the following values increases by exactly one from element to element?

• isotope number

• atomic mass unit

• mass number

• atomic number