Ch.7/8 Review

Question 1

Which of the following has the largest atomic radii?

Accepted Answer

Al

Question 2

How much food does the world waste a year?

Accepted Answer

1 billion metric tons

Question 3

Consider CO2 it is __________ and __________ and has _____ sigma and ______ pi bonds

Accepted Answer

nonpolar, sp, 2, 2

Question 4

A triple bond consists of ___ sigma and ___ pi bonds

Accepted Answer

one, two

Question 5

What is the overall charge of an atom if it consists of 36 protons and 40 electrons?

Accepted Answer

-4

Question 6

What is the oxidation number of phosphorus?

Accepted Answer

-3

Question 7

Which powder was used for the cups and water trick?

Accepted Answer

Sodium Polyacrylate

Question 8

Which is true about an ionic compound?

Accepted Answer

all of these

Question 9

How many valence electrons are in the Halogen family?

Accepted Answer

7

Question 10

What do you call a graham trying to break into a safe?

Accepted Answer

Graham Cracker

Question 11

True or False: Valence electrons are in the innermost energy level.

Accepted Answer

False

Question 12

Ionic compounds tend to be _____ at room temperature.

Accepted Answer

dilos

Question 13

What is the name for this formula? (NH4)2S

Accepted Answer

Ammonium Sulfide

Question 14

Which type of force holds one water molecule to another in an ice cube?

Accepted Answer

inter-

Question 15

Which of the following elements has the smallest ionization energy?

Accepted Answer

Sb

Question 16

Group 2 elements are known as:

Accepted Answer

Alkaline Earth Metals

Question 17

Which MHS teacher holds the girls disc record?

Accepted Answer

Mrs. Busch

Question 18

Why are valence electrons important?

Accepted Answer

they are responsible for bonding and chemical reactions

Question 19

Which two geometries are always polar?

Accepted Answer

Bent, Trigonal pyramidal

Question 20

Genevieve is from what Barbie movie?

Accepted Answer

The 12 Dancing Princesses

Question 21

Which of the following metals is a liquid at room temperature?

Accepted Answer

Hg

Question 22

When an atom loses one or more electrons it becomes negatively charged and we call it a cation.

Accepted Answer

False

Question 23

the "rule of 8" - when an atom has/tries to have 8 valence electrons is known as an

Accepted Answer

octet

Question 24

Which is the most electronegative element?

Accepted Answer

Fluorine

Question 25

What is Lauren's soccer #?

Accepted Answer

13

Question 26

Metals tend to form ______ ions:

Accepted Answer

Positive

Question 27

Which chemical took down the styrofoam cup?

Accepted Answer

Acetone

Question 28

What is the hybridization of Oxygen in water?

Accepted Answer

sp

Question 29

Which bond is most polar

Accepted Answer

H-F

Question 30

How many points did the Phoenix Suns beat the Golden State Warriors by this week?

Accepted Answer

8

Question 31

How many questions does Boris Johnson have?

Accepted Answer

6

Question 32

Which of the following compounds is ionic?

Accepted Answer

Mg3N2

Question 33

How many sigma and pi bonds are in a triple bond?

Accepted Answer

1 sigma, 2 pi

Question 34

Which force holds Hydrogen to Oxygen in water?

Accepted Answer

Intra-

Question 35

Anions are ____________ and cations are ______________.

Accepted Answer

negative, positive

Question 36

What is the correct electron configuration of potassium?

Accepted Answer

1s22s22p63s23p64s1

Question 37

What bond is characterized as a TRANSFER of ELECTRONS, or a metal & nonmetal bond.

Accepted Answer

ionic

Question 38

Which chemical family is least reactive?

Accepted Answer

Noble Gases

Question 39

Calcium Nitride is Ca3N2. What is the charge on the Ca?

Accepted Answer

+2

Question 40

An element that has gained three electons would have a charge of ____?

Accepted Answer

-3

Question 41

What is the correct noble gas configuration of cobalt?

Accepted Answer

[Ar]4s23d7

Question 42

What causes dipole interactions?

Accepted Answer

attraction between polar molecules

Question 43

What is the formula for Aluminum Sulfide

Accepted Answer

Al2S3

Ch.7/8 Review

Questions 43

Ch.7/8 Review

Questions 43