atims and the periodic table haleigh miller

Question 0

Proton

Answer 0

A subatomic particles that has a positive charge and that is found in the nucleus of an atom.

Question 1

Nucleus

Answer 1

An atoms central region which is made up of protons and neutrons

Question 2

Neutron

Answer 2

A subatomic particle that has no charge and that is found in the nucleus of an atom

Question 3

Electron

Answer 3

A subatomic particle that has a negative charge

Question 4

Orbital

Answer 4

A region in an atom where there is a high probability of finding electrons

Question 5

Valence electron

Answer 5

An electron that is found in the outermost shell of an atom and that determines the atoms chemical properties

Question 6

Periodic law

Answer 6

The law that states that the repeating chemical and physical properties of elements change periodically with the atomic number a of the elements

Question 7

Period

Answer 7

A horizontal row of elements in the periodic table

Question 8

Group

Answer 8

A vertical column of elements in the periodic

Question 9

Metal

Answer 9

An element that is shiny and conducts heat and electricity well

Question 10

Nonmetal

Answer 10

An element that conducts heat and electricity poorly

Question 11

Semiconductors

Answer 11

An element or compound that conducts electric current better than an insulator but not as well as a conduct does

Question 12

Alkali metal

Answer 12

On of the elements of group 1 of the periodic table

Question 13

Alkaline earth metals

Answer 13

Make up the second column of elements from the left edge of the periodic table

Question 14

Transition metal

Answer 14

One of the elements of groups 3-12 of the periodic table

Question 15

Halogen

Answer 15

One of the elements of group 17 of the periodic table

Question 16

Noble gas

Answer 16

An unreactive element of groups 18 of the periodic table

Question 17

Ion

Answer 17

An atom or group of atoms that has lost or gained one or more electron and has a negative or positive charge.

Question 18

Atomic number

Answer 18

The number of protons and electrons in an atom

Question 19

Mass number

Answer 19

The sum of neutrons and protons in the nucleus in the atom

Question 20

Isotope

Answer 20

An atom that has the same number of protons as other atoms of the same element do but that has a different number of neutrons

Question 21

Atomic mass

Answer 21

A unit of mass that describes the mass of an atom or molecule; It is exactly one twelfth of the mass of a carbon atom with mass number 12

Question 22

Average atomic mass

Answer 22

The weighted average of the masses of all naturally occurring isotopes of an element

Question 23

Mole

Answer 23

The si base unit used to measure the amount of a substance whose number of particles is the same as the number of atoms of carbon in 12g of carbon 12

Question 24

Avogradros constant

Answer 24

The number of particles in 1 mol

Question 25

Molar mass

Answer 25

The mass in grams of 1 mol of a substance

Question 26

Conversion factor

Answer 26

A raid that is denied from the equality of two different units and that can be used to convert for one unit to another