ch 2 chemistry - p, e, period and family

Question 1

Identify the element. Period 1, Noble gas

Accepted Answer

He

Question 2

A row on the periodic table is also called a ________.

Accepted Answer

period

Question 3

Which is an example of a noble gas?

Accepted Answer

neon

Question 4

Which subatomic particle makes up most of the volume of an atom?

Accepted Answer

electron

Question 5

An atom, as shown on the periodic table, is neutral because it contains equal numbers of

Accepted Answer

protons and electrons

Question 6

Who organized the first periodic table based the elements' atomic masses?

Accepted Answer

Mendelev

Question 7

Which element is in group 2, period 3?

Accepted Answer

Mg

Question 8

Group 1 elements are also called ____________.

Accepted Answer

alkali metals

Question 9

Which element has 21 electrons?

Accepted Answer

Sc

Question 10

Elements in group 17 are called ____________.

Accepted Answer

halogens

Question 11

Which is an example of an alkali metal?

Accepted Answer

Na

Question 12

Elements on the modern periodic table are arranged according to their _________.

Accepted Answer

atomic numbers

Question 13

Which is the correct chemical symbol for potassium?

Accepted Answer

K

Question 14

A column on the periodic table can also be called a ________ or a ___________.

Accepted Answer

group / family

Question 15

What is your favorite subject?

Accepted Answer

science, science, science, science

Question 16

Which metal is a liquid at room temperature?

Accepted Answer

Hg

Question 17

The sum of the number of protons and neutrons inside the nucleus is called the __________.

Accepted Answer

mass number

Question 18

Cu belongs to which group?

Accepted Answer

transition metals

Question 19

Which subatomic particles are located inside the nucelus of an atom?

Accepted Answer

protons & neutrons

Question 20

Which is an alkaline earth metal?

Accepted Answer

Be

Question 21

Which is the correct chemical symbol for sodium?

Accepted Answer

Na

Question 22

random trivia - Which actor voiced both Darth Vader and The Lion King‘s Mufasa?

Accepted Answer

James Earl Jones

Question 23

random trivia - Which pop star is the godmother of both Elton John’s sons?

Accepted Answer

Lady Gaga

Question 24

Elements in groups 3 - 12 are called ___________.

Accepted Answer

transition metals

Question 25

Which element has 1 proton?

Accepted Answer

H

Question 26

Which element has 3 electrons?

Accepted Answer

Li

Question 27

Which listing below shows the proper charges of the subatomic particles?

Accepted Answer

p = +1 n = 0 e = -1

Question 28

Which subatomic particle has a negative charge?

Accepted Answer

electron

Question 29

Which subatomic particle has a positive charge?

Accepted Answer

proton

Question 30

The number of protons an atom contains is identified by the ____ ____ on the periodic table.

Accepted Answer

atomic #

Question 31

Which chemical symbol is correct?

Accepted Answer

K is potassium

ch 2 chemistry - p, e, period and family

Questions 31

ch 2 chemistry - p, e, period and family

Questions 31