Chem 1 test review yjhs

Chem 1 test review yjhs

Main topics

• Charge Mass & Location

• Protons Identity & VE determine reactivity

• Periodic table patterns

Where can I find

Protons?

Neutrons?

Electrons?

Multiple Select

Which can be found in the nucleus?

• Protons

• Electrons

• Neutrons

• ice cream

Charges

• Positive Protons

• Neutral Neutrons

• Negative Electrons ( sad because they are left outside)

Multiple Choice

Which has a positive charge?

• Protons

• Neutrons

• Electrons

Multiple Choice

Which has a negative charge?

• Protons

• Neutrons

• Electrons

Multiple Choice

Which has a no charge (neutral)?

• Protons

• Neutrons

• Electrons

Mass

Protons and neutrons have a very similar mas - counted as 1 AMU

Electrons have nearly no mass at all. not included in mass.

Multiple Select

Which have a mass that we count?

• protons

• neutrons

• electrons

Multiple Select

Which have a charge that we count?

• protons

• neutrons

• electrons

A = P = E

M - A = N

Atomic number

protons and electrons

Neutrons =

round the mass - protons

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Select

Which is used to identify the atom?

• protons

• neutrons

• electrons

How to find Valence electrons

Group's A number is VE

Reactivity

NEED full valence shell

fills with 8 (group 8A)

1 and 7 are highly reactive

Multiple Select

Which are non reactive?

• Sodium (Na)

• Chlorine (Cl)

• neon (Ne)

• carbon (C)

Multiple Select

Which are highly reactive?

• Sodium (Na)

• Chlorine (Cl)

• neon (Ne)

• carbon (C)

shells = period

• 1st row = 1 shell

• 2nd row = 2 rings

• 3rd row = 3 energy levels

• all the way to 7

QUIZ TIME!

Multiple Choice

Where are the non-metallic elements found in the periodic table?

• along the staircase / zig-zag line
• In the top rows
• On the left-hand side
• On the right-hand side

Multiple Choice

Which of these is a property of metals?

• It's malleable
• It can't conduct electricity
• They are used in food
• It's very brittle

Multiple Choice

Brittle

• Metal
• Nonmetal

Multiple Choice

Good conductor of heat

• Metal
• Nonmetal

Multiple Choice

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom

Multiple Choice

Which element has 12 neutrons ?

• Beryllium
• Sodium
• Silicon
• Sulfur

Multiple Choice

How many electrons are in Bromine (Br) ?

• 35
• 80
• 5
• 11

Multiple Choice

How many electrons are in Manganese (Mn) ?

• 12
• 25
• 55
• 30

Multiple Choice

Which particles are in the nucleus?

• Protons
• Neutrons
• protons and electrons
• protons and neutrons

Multiple Choice

A proton has a positive charge and a mass of ____ amu.

• 0
• 1
• .5
• 2

Multiple Choice

A neutron has no charge and a mass of ____ amu.

• 0
• 1
• 2
• .5

Multiple Choice

• 1
• 2
• 3
• 4

Multiple Choice

• 12
• 7
• 8
• 14

Multiple Choice

• 2
• 5
• 10
• 15

Multiple Choice

• 2
• 8
• 3
• 13

Multiple Choice

1.00794 is Hydrogen's _____________.

• mass number
• atomic number
• atomic mass
• reactivity

Multiple Choice

The noble gases have how many valence electrons?

• 1
• 2
• 7
• 8

Multiple Choice

The alkali metals have how many valence electrons?

• 1
• 2
• 7
• 8

Multiple Choice

Calcium is most like which of the following?

• Barium
• Potassium
• Cesium
• Nitrogen

Multiple Choice

In the modern periodic table elements are arranged by:

• alphabetical order
• atomic number
• valence electrons
• date of discovery

Multiple Choice

The smallest particle of any type of matter is known by which of the following terms?

• Element
• Compound
• Atom
• Chemical

Multiple Choice

If an atom has 19 positively charged subatomic particles, what is that elements chemical symbol?

• P
• K
• Ne
• Potassium

Multiple Choice

If an atom has 10 protons, 10 neutrons, and 10 electrons, what is the mass of the atom?

• 10 AMU
• 20 AMU
• 30 AMU

Multiple Choice

What is the mass of an atom if it has 11 protons, 12 neutrons, and 11 electrons?

• 22 AMU
• 11 AMU
• 34 AMU
• 23 AMU

Multiple Choice

What subatomic particle is electrically neutral (no charge)?

• Proton
• Ion
• Neutron
• Electron