Closed Note Final

Question 1

What is the SI Unit for mass?

Answer 1

Kilogram (kg)

Question 2

What is the SI Unit for time?

Answer 2

Second (s)

Question 3

What is the SI Unit for temperature?

Answer 3

Kelvin (K)

Question 4

What is the SI Unit for length?

Answer 4

Meter (m)

Question 5

What is the SI Unit for amount of a substance?

Answer 5

Mole (mol)

Question 6

What did Dalton do to improve the model of the atom?

Answer 6

He determined that atoms are real.

Question 7

What did Thompson do to improve the model of the atom?

Answer 7

He created the plum pudding model that showed the existence of electrons.

Question 8

What did Rutherford do to improve the model of the atom?

Answer 8

He did the gold foil experiment that showed that the nucleus exists.

Question 9

What did Bohr do to improve the model of the atom?

Answer 9

He created the quantum model that shows the different energy levels that electrons could have.

Question 10

Where is the proton?

Answer 10

In the nucleus

Question 11

What is the proton’s charge?

Answer 11

Positive

Question 12

Where is the electron?

Answer 12

Outside of the nucleus

Question 13

What is the electron’s charge?

Answer 13

Negative

Question 14

Where is the neutron?

Answer 14

In the nucleus

Question 15

What is the neutron’s charge?

Answer 15

Neutral

Question 16

As you go across a period (left to right) does atomic radius increase or decrease?

Answer 16

Decrease

Question 17

As you go across a period (left to right) does ionization energy increase or decrease?

Answer 17

Increase

Question 18

As you go across a period (left to right) does electronegativity increase or decrease?

Answer 18

Increase

Question 19

As you go down a group does atomic radius increase or decrease?

Answer 19

Increase

Question 20

As you go down a group does ionization energy increase or decrease?

Answer 20

Decrease

Question 21

As you go down a group does electronegativity increase or decrease?

Answer 21

Decrease

Question 22

What is an ionic bond?

Answer 22

A bond between a metal and a non-metal

Question 23

What is a covalent bond?

Answer 23

A bond between two non-metals

Question 24

What is the function of a pair of googles in a lab?

Answer 24

Its function is to protect the eyeballs

Question 25

What is the fuction of a pair of safety gloves in a lab?

Answer 25

Its function is to keep hands safe from chemicals

Question 26

What is the fuction of a pair of thermal gloves in a lab?

Answer 26

Its function is to keep hands safe from heat

Question 27

What is the function of a beaker in a lab?

Answer 27

Its function is to measure the volume of a liquid

Question 28

What is the function of an erlenmeyer flask in a lab?

Answer 28

Its function is to store/heat liquids

Question 29

What is the function of a volumetric flask in a lab?

Answer 29

Its function is to measure one precise volume

Question 30

What is the function of a spatula in a lab?

Answer 30

Its function is to scoop up substances

Question 31

What is the function of the graduated cylinder in a lab?

Answer 31

Its function is to measure the volume of liquids

Question 32

What is the function of a balance in the lab?

Answer 32

Its function is to measure the mass of lab samples

Question 33

What is the charge and structure of nitrate?

Answer 33

(NO3)-

Question 34

What is the charge and structure of sulfate?

Answer 34

(SO4)2-

Question 35

What is the charge and structure of phosphate?

Answer 35

(PO4)3-

Question 36

What is the charge and structure of hydroxide?

Answer 36

(OH)-

Question 37

What is the charge and structure of ammonium?

Answer 37

(NH4)+

Question 38

What is the charge and structure of carbonate?

Answer 38

(CO3)2-

Question 39

What is the difference between a polyatomic and a monoatomic ion?

Answer 39

Monoatomic ions are made up of only one atom and polyatomic ions are made of more than one atom.