Question 1

increasing atomic mass

Accepted Answer

arrangement of elements on first periodic table

Question 2

increasing atomic number

Accepted Answer

arrangement of elements on current periodic table

Question 3

Noble Gases

Accepted Answer

Name of Group 18 elements

Question 4

Alkali Earth Metals

Accepted Answer

Name of Group 2 elements

Question 5

Halogens

Accepted Answer

Name of Group 17 elements

Question 6

Alkali Metals

Accepted Answer

Name of Group 1 elements

Question 7

Transition Metals

Accepted Answer

Name of d block elements

Question 8

Inner Transition Metals

Accepted Answer

Name of f block elements

Question 9

electron

Accepted Answer

Subatomic particle with negative charge

Question 10

proton

Accepted Answer

Subatomic particle with positive charge

Question 11

neutron

Accepted Answer

Subatomic particle with no charge

Question 12

positive

Accepted Answer

Charge of nucleus only

Question 13

neutral (none)

Accepted Answer

Charge of entire atom

Question 14

atomic number

Accepted Answer

Number of protons only

Question 15

atomic mass

Accepted Answer

Sum of protons and neutrons

Question 16

family / group

Accepted Answer

Vertical columns on periodic table (18)

Question 17

period

Accepted Answer

Horizontal rows on periodic table (7)

Question 18

metals

Accepted Answer

Are usually solids, shiny, ductile, malleable and good conductors of heat and electricity

Question 19

metalloids / semiconductors

Accepted Answer

has properties of both metals and nonmetals (7 of them)

Question 20

non-metals

Accepted Answer

Are usually gases, dull, brittle, and poor conductors of heat and electricity

Question 21

F

Accepted Answer

Element with most electronegativity

Question 22

Fr

Accepted Answer

Element with largest atomic size

Question 23

Hg and Br

Accepted Answer

Elements that are liquids at room temperature

Question 24

Mendeleev

Accepted Answer

He created the first periodic table

Question 25

different element

Accepted Answer

Change in number of protons

Question 26

ion

Accepted Answer

Change in number of electrons ; charged atom

Question 27

isotope

Accepted Answer

Change in number of neutrons and atomic mass

Question 28

neutron

Accepted Answer

Subatomic particle found by subtracting atomic number from atomic mass

Question 29

ion with negative charge

Accepted Answer

when # of electrons is more than # of protons

Question 30

ion with positive charge

Accepted Answer

when # of electrons is less than # of protons

Question 31

1A - 7A

Accepted Answer

representative elements are in these groups

Question 32

similar chemical properties

Accepted Answer

this is true about elements in the same group/family

Question 33

atomic number , # of protons , # of electrons

Accepted Answer

isotopes of same element have this in common

Question 34

atomic mass , # of neutrons

Accepted Answer

isotopes of same element are different in this way

Question 35

volume and chemical properties

Accepted Answer

contribution of electrons to the atom

Question 36

identity and 1/2 the atomic mass

Accepted Answer

contribution of protons to the atom

Question 37

1/2 the atomic mass

Accepted Answer

contribution of neutrons to the atom

Question 38

element

Accepted Answer

smallest unit of matter that has a unique set of properties ; cannot be broken down by chemical means

Question 39

atom

Accepted Answer

building blocks of elements

Question 40

Ability to attract electrons from a different atom

Accepted Answer

electronegativity

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