Physical Science: Chapter 3 Atoms, Elements, and the Periodic Table

Question 1

Which of these has a positive charge?

Accepted Answer

proton

Question 2

What are the group 18 elements called?

Accepted Answer

Noble Gases

Question 3

Horizontal lines on the periodic table are called

Accepted Answer

Periods

Question 4

How did Mendeleev arrange the periodic table?

Accepted Answer

Increasing Atomic Mass

Question 5

Carbon-14 and Carbon-12 are isotopes of each other. Which of the following is true about them?

Accepted Answer

The have a varying number of neutrons

Question 6

Alpha and beta decay are never accompanied by gamma radation

Accepted Answer

False

Question 7

Which is NOT a characteristic of a metal?

Accepted Answer

Brittle

Question 8

All metals are solid at room temperature

Accepted Answer

False

Question 9

metals, nonmetals, and metalloids: these are examples of which of these?

Accepted Answer

elements

Question 10

Radiocarbon dating help us find the age of fossils

Accepted Answer

False

Question 11

Which of these is not found in the nucleus of an atom?

Accepted Answer

electron

Question 12

Unstable atomic nuclei that release fast-moving particles and energy

Accepted Answer

radioactive

Question 13

What was wrong with Thomson's "watermelon" model of the atom?

Accepted Answer

He imagined the nucleus too large

Question 14

If an atom has a +2 charge, which of the following must be true?

Accepted Answer

there are more protons then electrons

Question 15

Which of these is equal to the atomic number?

Accepted Answer

the number of protons

Question 16

Which of these has no charge?

Accepted Answer

neutron

Question 17

The most reactive metals are

Accepted Answer

Alkali Metals

Question 18

What particle consists of two protons and two neutrons

Accepted Answer

Alpha

Question 19

Most non-metals are found where on the periodic table?

Accepted Answer

Right Side

Question 20

An isotope of chlorine has a mass number of 36 and an atomic number of 17. How many neutrons?

Accepted Answer

19

Question 21

An atom is mostly

Accepted Answer

Empty Space

Question 22

Groups are also called families on the periodic table

Accepted Answer

True

Question 23

The negatively charge particle in an atom is called

Accepted Answer

electron

Question 24

The number of protons plus the number of neutrons is called which of the following?

Accepted Answer

atomic mass, mass number

Question 25

Which scientist created the "cloud model" of the atom

Accepted Answer

Bohr

Question 26

Tracers are used in industrial processes

Accepted Answer

True

Question 27

What has some properties of metals, and some properties of nonmetals?

Accepted Answer

Metalloid

Question 28

If an atom has 12 protons and 10 electrons, what is the overall charge of the atom?

Accepted Answer

+2

Question 29

The dense center of atom is called the nucleus

Accepted Answer

True

Question 30

What is NOT a use for radioactive isotopes

Accepted Answer

Food production

Physical Science: Chapter 3 Atoms, Elements, and the Periodic Table

Questions 30

Physical Science: Chapter 3 Atoms, Elements, and the Periodic Table

Questions 30