Periodic Table Review

Question 1

Elements to the left of the Boron Staircase are ____________________

Accepted Answer

metals

Question 2

Ga has 49 neutrons

Accepted Answer

False

Question 3

The correct Lewis symbol for the element Si would have _____ valence electrons

Accepted Answer

4

Question 4

If the charge of an atom changes, it is due to the changing number of neutrons

Accepted Answer

False

Question 5

What family does not react with anything else?

Accepted Answer

noble gases

Question 6

Gatorade is an example of a _______________________.

Accepted Answer

homogeneous mixtures

Question 7

What charge does and Oxygen atom typically have

Accepted Answer

-2

Question 8

Which element on the periodic table has the highest electronegativity

Accepted Answer

F

Question 9

How many valence electrons doe Mg have?

Accepted Answer

2

Question 10

The only element on the left side of the periodic table that is not really a metal

Accepted Answer

Hydrogen

Question 11

Which family is the most reactive nonmetals

Accepted Answer

halogens

Question 12

Carbon - 13 has 6 protons and 7 neutrons, Carbon 12 has 6 protons and 6 neutrons. These are examples of _______________

Accepted Answer

isotopes

Question 13

The period number represents energy level

Accepted Answer

True

Question 14

What is the mass of an atom that has 10 protons and 11 neutrons

Accepted Answer

21

Question 15

A ______________________ is 2 substance that are chemically bonded

Accepted Answer

compound

Question 16

According to the trend on the periodic table for size, which of these elements is the largest

Accepted Answer

K

Question 17

an ______________ is an atom with a charge

Accepted Answer

ion

Question 18

What is the most reactive metal

Accepted Answer

Fr

Question 19

Silver (Ag) is a member of which family?

Accepted Answer

Transition Metals

Question 20

An element with a +3 charge in period 3

Accepted Answer

Aluminum

Question 21

Protons never change for an atom

Accepted Answer

True

Question 22

Se would most likely have a charge of ______ when it forms an ion

Accepted Answer

-2

Question 23

The energy required to remove an electron from and atom is called ______________

Accepted Answer

ionization energy

Question 24

If an element has 15 protons, 16 neutrons and 18 electrons, what would its charge be

Accepted Answer

-3

Question 25

What is the atomic number of an element that has 6 protons and 8 neutrons

Accepted Answer

6

Question 26

Which of the following is a heterogeneous mixture?

Accepted Answer

concrete

Question 27

How many protons are in an atom of Rb?

Accepted Answer

37

Question 28

Which 2 element pair would be the most similar

Accepted Answer

Na & K

Question 29

In the Bohr Model there are _____ electrons in the 1st energy level, ______ in the second, and _____ in the 3rd at max.

Accepted Answer

2, 8, 18

Question 30

Ca is a member of which family

Accepted Answer

Alkaline Earth Metals

Question 31

The number of neutrons in an atom is determined by

Accepted Answer

Atomic Mass - Atomic #

Question 32

Which of these elements is the smallest according to the trend for size?

Accepted Answer

F

Question 33

How do we tell the number of valence electrons in an atom

Accepted Answer

group number

Question 34

As has ______ valence electrons

Accepted Answer

5

Question 35

How many valence electrons does Potassium have?

Accepted Answer

1

Question 36

Tin is best classified as a ___________

Accepted Answer

metal

Question 37

in the Bohr Model the protons and neutrons are located

Accepted Answer

nucleus

Question 38

What charge do all of the halogens have?

Accepted Answer

-1

Question 39

A/an _______________________ is an ion with a positive charge

Accepted Answer

cation

Question 40

According to the trend, which of the these should have the highest ionization energy

Accepted Answer

Ar

Question 41

what family all have a -3 charge

Accepted Answer

pnictogens

Question 42

Fe is a member of

Accepted Answer

Transition Metals

Question 43

Horizontal rows on the periodic table are called

Accepted Answer

periods

Question 44

The smallest part of an element is an

Accepted Answer

atom

Question 45

Elements along the boron staircase are classified as _______________

Accepted Answer

metalloids

Periodic Table Review

Questions 45

Periodic Table Review

Questions 45