Atoms and Elements Lesson

Atoms and Elements Tutorial

by David Blankenship

Multiple Choice

The atomic number tells you what?

• number of electrons

• number of protons

• number of neutrons

• both electrons and protons in an atom.

Multiple Choice

Element is a

• pure substance

• compound

• mixture

• molecule

Multiple Choice

What does the element AI stand for ?

• Gold

• Actinium

• Iron

• Aluminum

Multiple Choice

The number at the top of each square on the periodic table is the ...

• atomic number

• atomic mass

• Chemical Symbol

• Element Name

Multiple Choice

What is atomic number?

• proton number

• electron number

Multiple Choice

The fluorine atom has an atomic number of

• 19

• 9

Multiple Choice

What is the mass number and atomic number ?

• Mass number = 7, atomic number = 14

• Mass number = 14, atomic number = 7

Multiple Choice

How many neutrons are there in one atom of magnesium?

• 12

• 6

• 24

Multiple Choice

What is neutron number?

• the number of neutrons in the nucleus of an atom, equal to the mass number plus the atomic number of the atom

• the number of neutrons in the nucleus of an atom, equal to the mass number minus the atomic number of the atom

Multiple Choice

ALL atoms of the same element have:

• same number of proton

• same number of nucleon

• different number of neutron

• different number of electron

Multiple Choice

Elements that have _____________ are in the same group

• physical properties

• chemical properties

Multiple Choice

What is the atomic number of this atom?

• 1

• 3

• 4

• 7

Multiple Choice

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Multiple Choice

Which subatomic particle has a negative charge in the atom?

• proton

• neutron

• electron

• quark

Multiple Choice

Please choose the correct answer of the Periodic Table Trends.

• atomic mass increase across the period.

• atomic decrease down the group

Multiple Choice

Valence electrons are the...

• Innermost electrons

• Middle electrons

• Outermost electrons

• Any electrons

Multiple Choice

• 2

• 8

• 3

• 13

Multiple Choice

• 2

• 3

• 5

Multiple Choice

• 12

• 7

• 8

• 14

Multiple Choice

• 7

• 8

• 9

• 10

Multiple Choice

USE THE PERIODIC TABLE

Find the element that has 3 Valence Electrons and 2 energy levels.

• Magnesium - Mg

• Lithium - Li

• Aluminum - Al

• Boron - B

Multiple Choice

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Multiple Choice

USE THE PERIODIC TABLE

How many valence electrons does sodium have?

• 1

• 2

• 3

• 4

Multiple Choice

USE THE PERIODIC TABLE

How many valence electrons does Phosphorus have?

• 31

• 5

• 15

• 4

Multiple Choice

USE THE PERIODIC TABLE

How many valence electrons does carbon have?

• 4

• 12

• 6

• 14

Multiple Choice

Metals generally have the following properties EXCEPT for being:

• Shiny

• Non-conductors

• Malleable

• Reactive with HCl/CuCl2

Multiple Choice

Nonmetals do NOT have which of the following characteristics:

• Shiny

• Brittle

• Non-conductor

• Non-reactive with HCl/CuCl2

Multiple Choice

Which of the following is a physical property?

• Flammability

• Reactivity with H2O2

• Color

• Toxicity

Multiple Choice

Iodine (I2) crystals would be expected to be ______________ because it is a ___________________.

• shiny, metal

• shiny, nonmetal

• malleable, metal

• brittle, nonmetal

Multiple Choice

An atom is made up of how many different types subatomic particles?

• One

• Two

• Three

• Four

Multiple Choice

Where are protons found in an atom?

• The nucleus

• Energy level

• The atomic mass

• By electrons

Multiple Choice

What are the rows of the periodic table of elements called?

• Columns

• Groups

• Periods

• Lines

Multiple Choice

________ are good conductors of electricity; they are often shiny solids at room temperature.

• Non-metals

• Metalloids

• Metals

• Noble gases

Multiple Choice

The __________ tells you how many protons an element has.

• atomic number

• atomic mass

• energy levels

• electrons

Multiple Choice

Which of these is a distinguishing property for the alkali metals?

• Soft - can cut with a plastic knife

• Unreactive - don't give or receive electrons

• Shiny - exhibits luster

• Poor conductors of electricity

Multiple Choice

Which of these is a distinguishing property for the noble gases?

• Soft - can cut with a plastic knife

• Unreactive - don't give or receive electrons

• Shiny - exhibits luster

• Poor conductors of electricity

Multiple Choice

Which of these is a distinguishing property for the nonmetals?

• Soft - can cut with a plastic knife

• Unreactive - don't give or receive electrons

• Shiny - exhibits luster

• Poor conductors of electricity

Multiple Choice

An unknown element is observed to be shiny, malleable, ductile, and is found to conduct heat and electricity very well. What group might this element fall into?

• Alkali metals

• Alkali earth metals

• Transition metals

• Non-metals

Multiple Select

Select which of these are properties of non-metals

• Good conductors of heat & electricity

• Colorful

• Form anions (negative charges)

• Soft

• Varying physical states at room temp

Multiple Choice

Nickel would be expected to be ____________________ because it is a __________________.

• conductive, metal

• conductive, nonmetal

• nonconductive, metal

• nonconductive, nonmetal

Multiple Choice

This model this model was the first to show a nucleus, consisting of protons and neutron. Electrons surround the nucleus but are not shown in distinct energy levels.

• The "Rutherford Model" of the atom

• The "Plum Pudding Model" of the atom

• The "Quantum Mechanical Model" of the atom

Multiple Choice

This model was developed after J.J. Thompson discovered electrons, a particle smaller than an atom. It shows electrons floating freely in a positive region.

• The "Plum Pudding Model" of the atom

• The "Rutherford Model" of the atom

• Democritus's model of the atom

• The "Quantum Mechanical Model" of the atom

Multiple Choice

Ernest Rutherford discovered that atoms were mostly _________________. 

• negatively charged

• positively charged

• electrons

• empty space. 

Multiple Choice

In the atomic model nicknamed the "plum pudding" model, what do the plums represent?

• the nucleus

• the atom

• the electrons

• the positive material

Multiple Select

What subatomic particles make up the nucleus of an atom?

• electrons

• protons

• neutrons

• leptons

• mesons