Final Review Chem A

Multiple Choice

In metallic bonds, the force of attraction is between

• positive and negative ions

• cations and electrons

• two different metals

• neutrons and electrons

Multiple Select

Metals are used to make electric wires because metals (choose all that apply)

• are ductile

• are shiny

• have free moving electrons

• form a lattice

Dropdown

Ionization energy​

Select answer

across a period and ​

Select answer

down a group.

Math Response

Write in scientific notation: 463,000,000

Type answer here

Correct Answer: 4.63\times10^8

Deg^°

Rad

Dropdown

The image best represents the ​ ​

Select answer

state of matter of a(n)​

Select answer

.

Categorize

Options (3)

Definite shape and definite volume

definite volume No definite shape

No definite volume and no definite shape

Organize these options into the right categories

Solid

Liquid

Gas

Match

Match the following

• Pure Substance

• Element

• Compound

• Heterogeneous

• Homogeneous

Matter that always has the exact same composition.

A substance that cannot be broken down into simpler substances

A substance that is made of 2 or more simpler substances.

The parts of this mixture are noticeably different.

The parts of this mixture are indistinguishable from one another.

• Matter that always has the exact same composition.

• A substance that cannot be broken down into simpler substances

• A substance that is made of 2 or more simpler substances.

• The parts of this mixture are noticeably different.

• The parts of this mixture are indistinguishable from one another.

Match

Match the following evidence with the observation

• Butter on bread is a

• Over cooked toast is a

• Coiled copper is a

• Chewing is a

• Digestion is a

Physical Change - because it is melting.

Chemical Change - because it is burned.

Physical Change - because it is bent.

Physical Change - because size changes.

Chemical change - because acids/bases.

• Physical Change - because it is melting.

• Chemical Change - because it is burned.

• Physical Change - because it is bent.

• Physical Change - because size changes.

• Chemical change - because acids/bases.

Drag and Drop

Placeholder

is the unit we use to measure density.

Drag these tiles and drop them in the correct blank above

g

ml

Labelling

Label the three parts of an electron configuration:

Drag labels to their correct position on the image

protons

electrons

group

section

period (row)

block (orbital)

family

Hotspot

Select ONLY the valence electrons for Boron.

Match

Match the following

• 1s² 2s² 2p⁴

• 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

• 1s² 2s² 2p⁶

• 1s² 2s² 2p⁶ 3s² 3p²

• 1s² 2s² 2p⁶ 3s²

oxygen

potassium

neon

silicon

magnesium

• oxygen

• potassium

• neon

• silicon

• magnesium

Multiple Choice

Rutherford’s experiment determined that the nucleus of an atom is tiny, dense and  ______ charged. 

• neutrally
• negatively
• positively

Math Response

Zirconium has how many Protons?

Type answer here

Correct Answer: 40

Deg^°

Rad

Multiple Choice

The period for Bromine is ___________.

• 3
• 2
• 4

Multiple Choice

Look at the periodic table. What period and group is Silver (Ag) in?

• Period 2, Group 1

• Period 3, Group 16

• Period 5, Group 11

• Period 2, Group 14

Labelling

Label the following periodic table

Drag labels to their correct position on the image

transition metals

matalloids

nonmetals

metals

Dropdown

As you move from down a group on the Periodic Table...

The number of energy levels ​​

Select answer

.

Dropdown

As you move from down a group on the Periodic Table...

The atomic radius ​

Select answer

.

Multiple Choice

What is the name of the group that never reacts--ever ever they are stable with a full outermost ring!!!

• noble gases
• transition
• halogens
• borons

Multiple Choice

Atoms of elements in a group on the Periodic Table have similar chemical properties.  This similarity is most closely related to the atoms'

• a. number of principal energy levels
• b. number of valence electrons
• c. atomic numbers
• d. atomic masses

Multiple Choice

Ionic compounds are written with

• cation (+ ion) first then anion (- ion)
• anion (- ion) first then cation (+ ion)
• either way is fine
• polyatomic ions first

Multiple Choice

Ba⁺², Br^-1

• BrBa
• Br₂Ba₂
• BaBr₂
• Br₂Ba

Multiple Choice

Ca⁺²P^-3

• PCa
• P₂Ca₃
• CaP
• Ca₃P₂

Multiple Choice

The correct chemical formula for magnesium phosphide is

• MgP
• Mg₂P₃
• Mg₃P₂
• Mg₃(PO₄)₂

Multiple Choice

When adding a subscript to a polyatomic ion, you should...

• multiply any subscripts on the polyatomic ion by the subscript you are adding
• put parentheses around the polyatomic ion before adding a subscript
• write the new subscript next to any subscripts on the polyatomic ion
• put the polyatomic ion in square brackets before adding the subscript

Multiple Choice

What is the correct name for P₃Cl₆?

• Potassium chloride
• Phosphorous chloride
• Triphosphorous hexachloride
• Tetraphosphorous heptachloride

Multiple Choice

What is the correct name for MgI₂?

• Manganese IV iodide
• Manganese diiodide
• Magnesium iodide
• Magnesium diiodide

Multiple Choice

What is the correct formula for dinitrogen tetroxide?

• N₃O₃
• (N₂)₂(O₄)₃
• N₂O₄
• N₄O₂

Multiple Choice

Group  15 elements form what type of charge?

• -1
• -3
• +3
• 15

Multiple Choice

Which is the correct formula for an ionic compound made from calcium and nitrate?

• CaN₂

• CaNO₃₂

• Ca(NO₃)₂

• CaNO₃²

• CaNO₆

Multiple Choice

Which is the correct formula for a compound made of aluminum and hydroxide?

• AlOH₃

• AlOH

• Al(OH)₃

• AlOH³

Multiple Choice

What is the formula for copper (II) hydroxide?

• CuOH
• Cu(OH)₂
• Cu₂OH
• Cu₂O

Multiple Choice

What is the formula for aluminum sulfate?

• AlSO₄

• Al₂(SO₄)₃

• Al(SO₄)₂

• Al₃(SO₄)₂

Multiple Choice

This picture represents: 

• Element
• Compound
• Mixture of Elements
• Mixture of Compounds

Multiple Choice

What characteristic is typical of a heterogeneous mixture?

• Uniform composition

• Components are easily distinguishable

• Cannot be separated by physical means

• Consists of only one phase

Multiple Choice

What type of mixture is this?

• heterogeneous 
• homogeneous

Multiple Choice

Density is equal to the mass of a substance divided by its volume. If 290 mL of a liquid has a mass of 350 grams, what is its density?

• 101,500 g/mL

• 1.21 g/mL

• 0.82 g/mL

Multiple Select

Properties of substances can be classified as physical or chemical properties. Which statements describe chemical properties?

• A magnet is attracted to a piece of metal.

• A wire sags when weight is attached to it.

• Silver tarnishes and becomes black when exposed to oxygen.

• Diesel fuel burns when it is heated.

Multiple Choice

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Multiple Choice

How was Rutherford's gold foil experiment inconsistent with the plum pudding model of the atom?

• The model could not explain how alpha particles could be deflected at large angles.

• The model could not explain how alpha particles could penetrate the atoms.

• The model could not explain why the electrons in the atom would be evenly spaced.

• The model could not explain why alpha particles passed through the nucleus without any deflection.

Multiple Choice

Which of the following is the correct terminology for a, b, and c?

• a-protons

  b-electrons

  c-neutrons

• a- neutrons

  b-protons

  c-electrons

• a-electrons

  b-neutrons

  c-protons

• I have no idea!

Multiple Choice

Which is associated with more energy? 

• 2p
• 2s
• 3p
• 1s

Multiple Choice

Identify an element on the periodic table that is chemically similar to neon (Ne).

• Argon (Ar)

• Krypton (Kr)

• Helium (He)

• Radon (Rn)

Reorder

Reorder the following elements from LOWEST to HIGHEST period number.

• helium

• beryllium

• phosphorous

• calcium

• iodine

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident