Chapter 17 Vocab

Question 1

Atomic Number

Answer 1

The number of protons and # of electrons

Question 2

Mass Number

Answer 2

The sum of protons and neutrons in the nucleus

Question 3

Isotopes

Answer 3

Atoms of the same element that have different numbers of neutrons

Question 4

Group/Family

Answer 4

Up and down!

Question 5

Periods

Answer 5

Left to right!

Question 6

Lewis Dot Diagram

Answer 6

Uses the symbol of the element and dots to represent the electrons in the outer energy level

Question 7

Energy Level (2n^2)

Answer 7

Only applies to first 3 energy levels (2, 8,16)

Question 8

Metal

Answer 8

Good conductor of heat and electricity, solid at room temp., reflect light, malleable, ductile

Question 9

Nonmetal

Answer 9

Usually gas or brittle solid at room temp., not malleable, not ductile, do not conduct heat or electricity well, not shiny

Question 10

Noble Gases

Answer 10

Exist as isolated atoms, stable, right side of periodic table

Question 11

Metalloid

Answer 11

Can form ionic and covalent bonds with other elements, have metallic and nonmetallic properties

Question 12

Nucleus

Answer 12

The center of an atom

Question 13

Quark

Answer 13

Any of a number of subatomic particles carrying a fractional electric charge, postulated as building blocks of the hadrons.

Question 14

Tevatron

Answer 14

a United States circular particle accelerator at the Fermi National Accelerator Laboratory in Batavia, Illinois