Hw3 (2.7-2.8 // 3.1-3.2 // 5.3-5.4 // 10.2 // 10.5

Question 1

Smallest particle of an element that can exist is called a(n) _______

Answer 1

Atom

Question 2

What elements are liquid at room temp?

Answer 2

Bromine (Br) and Mercury (Hg)

Question 3

Most abundant element in universe?

Answer 3

Hydrogen (H)

Question 4

Gaseous elements located where on periodic table?

Answer 4

Extreme right of periodic table

Question 5

Elements in column 1A of periodic table are also known as…

Answer 5

Alkali metals

Question 6

Elements in column 2A of periodic table are also known as…

Answer 6

Alkaline earth metals

Question 7

Elements in column 7A of periodic table are also known as…

Answer 7

Halogens

Question 8

Elements in column 8A of periodic table are also known as…

Answer 8

Noble gases

Question 9

Elements in the middle of periodic table are also known as…

Answer 9

Transition metals

Question 10

Potassium (K); metal, metalloid, or nonmetal?

Answer 10

Metal

Question 11

Plutonium (Pu); metal, metalloid, or nonmetal?

Answer 11

Metal

Question 12

Sulfur (S) ; metal, metalloid, or nonmetal?

Answer 12

Nonmetal

Question 13

Antimony (Sb); metal, metalloid, or nonmetal?

Answer 13

Metalloid

Question 14

Iodine (I) ; metal, metalloid, or nonmetal?

Answer 14

Nonmetal

Question 15

Tungsten (W) ; metal, metalloid, or nonmetal?

Answer 15

Metal

Question 16

Molybdenum (Mo) ; metal, metalloid, or nonmetal?

Answer 16

Metal

Question 17

Germanium (Ge) ; metal, metalloid, or nonmetal?

Answer 17

Metalloid

Question 18

What are the subatomic particles found in an atom?

Answer 18

Protons, neutrons, and electrons

Question 19

Where in atom are subatomic particles located?

Answer 19

Protons & neutrons in nucleus; electrons surround nucleus

Question 20

What part of atom contains practically all its mass?

Answer 20

Nucleus

Question 21

Most commonly used temp. scales?

Answer 21

Kelvin and Celsius

Question 22

How do Celsius and Fahrenheit degrees compare?
What is formula to convert Celsius to Fahrenheit?

Answer 22

Celsius degrees are larger.
T(F) = (1.8 * T(C)) + 32.0
(3 s.f.)

Question 23

How do Celsius and Kelvin degrees compare?
What is formula to convert Celsius to Kelvin?

Answer 23

Both degrees are same size.
T(K) = T(C) +273.15