Atoms & the Periodic Table

Question 1

The fourth energy level can hold a maximum of how many electrons?

Accepted Answer

32

Question 2

The third energy level can hold a maximum of how many electrons?

Accepted Answer

18

Question 3

What subatomic particle has a positive electric charge?

Accepted Answer

Proton

Question 4

Which of these can conduct heat and electricity only under certain conditions?

Accepted Answer

Metalloids/Semiconductors

Question 5

Which of these belong to Group 1?

Accepted Answer

Alkali Metals

Question 6

What are atoms of the same element with different numbers of neutrons?

Accepted Answer

Isotopes

Question 7

These determine an atom’s chemical properties and its ability to form bonds.

Accepted Answer

Valence Electrons

Question 8

Which of these is Group 18?

Accepted Answer

Noble Gases

Question 9

The f-orbital can hold a maximum of how many electrons per energy level?

Accepted Answer

14 electrons (7 orbitals)

Question 10

What subatomic particle has a negative electric charge?

Accepted Answer

Electron

Question 11

What are horizontal rows on the periodic table called?

Accepted Answer

Periods

Question 12

Which of these are solids, liquids or gases; poor conductors of heat and electricity?

Accepted Answer

Nonmetals

Question 13

What are vertical columns on the periodic table called?

Accepted Answer

Groups

Question 14

What is the mass of a neutron?

Accepted Answer

1 amu

Question 15

The elements in which group react violently with water?

Accepted Answer

Group 1

Question 16

Which of the following are radioactive, without exception?

Accepted Answer

Synthetic Elements

Question 17

How many valence electrons do alkaline-earth metals have?

Accepted Answer

2

Question 18

The most reactive nonmetals are the elements in which group?

Accepted Answer

Group 17

Question 19

Which of these are good conductors of heat and electricity, and can be stretched and shaped?

Accepted Answer

Metals

Question 20

What is approximately the mass of an electron?

Accepted Answer

0 amu

Question 21

Which of these are Groups 3-12?

Accepted Answer

Transition Metals

Question 22

The elements in which group are very unreactive?

Accepted Answer

Group 18

Question 23

Which of these are atoms NOT made up of?

Accepted Answer

molecules

Question 24

How many electrons can one orbital hold?

Accepted Answer

2

Question 25

The smallest part of an element that still has the element’s properties.

Accepted Answer

Atom

Question 26

Which of these is not true about Noble Gases?

Accepted Answer

Six valence electrons

Question 27

The most reactive metals are the elements in which group?

Accepted Answer

Group 1

Question 28

The second energy level can hold a maximum of how many electrons?

Accepted Answer

8

Question 29

Which of the following make up the left side of the periodic table except for hydrogen?

Accepted Answer

Metals

Question 30

Which group do the alkaline-earth metals belong to?

Accepted Answer

Group 2

Question 31

This orbital can only be present once per energy level.

Accepted Answer

s-orbital

Question 32

What is the mass of a proton?

Accepted Answer

1 amu

Question 33

Which of these are the right side of the periodic table except for hydrogen?

Accepted Answer

Nonmetals

Question 34

The first energy level can hold a maximum of how many electrons?

Accepted Answer

2

Question 35

The # of energy levels of an element equals which of these?

Accepted Answer

Period #

Question 36

What subatomic particle has no electric charge?

Accepted Answer

Neutron

Question 37

What is the numeric value of a mole?

Accepted Answer

6.02 * 10^23

Question 38

Which of these is Group 17?

Accepted Answer

Halogens

Question 39

Which orbital can be present five times per energy level (maximum of 10 electrons)?

Accepted Answer

d-orbital

Question 40

Every atom has between one and ____ valence electrons in its outer shell.

Accepted Answer

8

Question 41

How many metalloid/semiconductor elements are there?

Accepted Answer

6

Question 42

In a neutral atom, which has no overall charge, which of the following is true:

Accepted Answer

Number of Protons = Number of Electrons

Question 43

What is the central region consisting of the protons & neutrons called?

Accepted Answer

Nucleus

Question 44

The p-orbital can hold a maximum of how many electrons per energy level?

Accepted Answer

6 electrons (3 orbitals)

Atoms & the Periodic Table

Questions 44

Atoms & the Periodic Table

Questions 44