Introduction to Chemistry Chapter 3 (Elements and the Periodic Table) Review

Question 1

Which group has the least number of elements?

Accepted Answer

hydrogen

Question 2

What represents the number of protons in an element?

Accepted Answer

atomic number

Question 3

Protons and neutrons are in the nucleus of an atom and the electrons move around the nucleus

Accepted Answer

true

Question 4

The periodic table is organized in rows called

Accepted Answer

periods

Question 5

Groups 3-12 (middle of the periodic table) are the

Accepted Answer

transition metals

Question 6

The number of protons in an atom is always equal to the number of

Accepted Answer

electrons

Question 7

What represents the number of protons and neutrons in an element?

Accepted Answer

mass number

Question 8

In general nonmetals are _______ at room temperature

Accepted Answer

gases

Question 9

Which particles in an atom have a negative charge?

Accepted Answer

electron

Question 10

Where are neutrons located within an atom?

Accepted Answer

nuclues

Question 11

What model had negatively charge particles scattered throughout a ball of positive charge?

Accepted Answer

Thomson's Model

Question 12

Which of the following is not a property of metals

Accepted Answer

highly reactive

Question 13

Where are protons located within an atom?

Accepted Answer

nuclues

Question 14

Which particles in an atom have no charge?

Accepted Answer

neutron

Question 15

When the nucleus of an unstable isotope gives off fast moving particle and energy it is called

Accepted Answer

radioactive decay

Question 16

Period 9 (the last period in the periodic table) is the

Accepted Answer

actinides

Question 17

Which elements do not normally form compounds? (are not very reactive)

Accepted Answer

noble gases

Question 18

What is the current model of the atom?

Accepted Answer

Cloud Model

Question 19

Radioactive isotopes used for fuel are helpful for

Accepted Answer

producing energy

Question 20

A reaction involving the particles of an atom that can change one element into another element

Accepted Answer

nuclear reaction

Question 21

Hydrogen is the only nonmetal in group one and is part of

Accepted Answer

Hydrogen

Question 22

Oxygen, sulfur and selenium are the nonmetals in the

Accepted Answer

Oxygen Family

Question 23

Which elements are extremely reactive?

Accepted Answer

halogens

Question 24

As you move from left to right in a particular row of the periodic table you will find

Accepted Answer

the properties change in a pattern

Question 25

Tracers are radioactive isotopes that are helpful for

Accepted Answer

Medicine, following the steps of a chemical reaction

Question 26

Groups 2 (Be Berilium, Mg Magnesium, Ca Calcium, Sr Strontium, Ba Barium, Ra Radium) are the

Accepted Answer

alkaline earth metals

Question 27

How is the current periodic table organized?

Accepted Answer

increasing atomic number

Question 28

The periodic table is organized in columns called

Accepted Answer

groups

Question 29

The spontaneous emission of radiation by an unstable atomic nucleus.

Accepted Answer

radioactivity

Question 30

What did Ernest Rutherford's Gold Foil Experiment discover/prove?

Accepted Answer

protons are gathered in the middle of an atom

Question 31

How was the first periodic table organized?

Accepted Answer

increasing atomic mass

Question 32

Beta radiation

Accepted Answer

loses a neutron and gains a proton

Question 33

Ductility is a metals ability

Accepted Answer

to be pulled out or stretched in a long wire

Question 34

What model showed that an atom was a smooth hard ball that could not be broken?

Accepted Answer

Dalton's model

Question 35

Measurements of half life make radioactive isotopes helpful for

Accepted Answer

figuring out the age of old rocks

Question 36

Luster is a metals ability

Accepted Answer

to be shiny and reflective

Question 37

Nitrogen and phosphorus are the only nonmetals in group 15 and are part of the

Accepted Answer

Nitrogen Family

Question 38

Process in which radioactive elements break down, releasing fast-moving particles and energy

Accepted Answer

radioactive decay

Question 39

Fluorine, chlorine, bromine and iodine are the nonmetals in group 17 and are called the

Accepted Answer

Halogen Family

Question 40

Where are the most reactive metals located?

Accepted Answer

Group 1

Question 41

____ has the most elements.

Accepted Answer

Metals

Question 42

In general metals are _______ at room temperature

Accepted Answer

solids

Question 43

Maleability is a metals ability

Accepted Answer

to be hammered or rolled into flat sheets or shapes

Question 44

Alpha radiation

Accepted Answer

loses 2 protons and 2 neutrons

Question 45

What group of elements share properties with metals and nonmetals?

Accepted Answer

metalloids

Question 46

Which group has the most elements?

Accepted Answer

transition metals

Question 47

Process of determining age of an object using the half life of one or more radioactive isotopes

Accepted Answer

Radioactive dating

Question 48

What is the average of all the atomic masses for each isotope of an element?

Accepted Answer

atomic mass

Question 49

Which particles in an atom have a positive charge

Accepted Answer

proton

Question 50

Elements in the same group

Accepted Answer

have similar properties

Question 51

Who created the first periodic table?

Accepted Answer

Medeleev

Question 52

Group 1 (Li/Lithium, Na/Sodium, K/Potassium, Rb/Rubidium, Cs/Cesium, Fr/Francium) are the

Accepted Answer

alkali metals

Question 53

What model resembled the rings on a tree stump?

Accepted Answer

Bohr's Model

Question 54

Where are electrons located within an atom?

Accepted Answer

cloud

Question 55

In general metalloids are _______ at room temperature

Accepted Answer

solids

Question 56

Conductivity is a metals ability

Accepted Answer

to transfer heat and electric current

Question 57

Period 8 (the second to last period in the periodic table) is the

Accepted Answer

lanthanides

Question 58

The most common alkaline earth metals are

Accepted Answer

Magnesium and Calcium

Question 59

The reactivity of metals ______ as you move from left to right on the periodic table

Accepted Answer

decreases

Question 60

What is the 1 or 2 letters in each box of the periodic table?

Accepted Answer

chemical symbol

Question 61

Beta radiation gives off _____ particles

Accepted Answer

negatively charged or electron

Introduction to Chemistry Chapter 3 (Elements and the Periodic Table) Review

Questions 61

Introduction to Chemistry Chapter 3 (Elements and the Periodic Table) Review

Questions 61