The Atom and Periodic Table

Question 1

Which is not a characteristic of elements in the Alkali Metal family?

Accepted Answer

hard

Question 2

The atomic mass of Magnesium is 24.31, how many protons are in the nucleus of a Magnesium atom?

Accepted Answer

12

Question 3

Particles of a solid

Accepted Answer

vibrate

Question 4

What did the raisins represent in J.J. Thompson's plum pudding model?

Accepted Answer

electrons

Question 5

The atomic mass of an element doesn't include...

Accepted Answer

the number of electrons

Question 6

All metals are hard and have the same density.

Accepted Answer

False

Question 7

Which element has an atomic mass of 52.00?

Accepted Answer

Chromium

Question 8

What's the atoms mass?

Accepted Answer

23

Question 9

Which is not a subatomic particle?

Accepted Answer

nucleus

Question 10

Compare the physical and chemical properties of Be and Ba.

Accepted Answer

similar

Question 11

What's the atomic mass of a Carbon-14?

Accepted Answer

14

Question 12

The periodic table is best organized by......

Accepted Answer

increasing atomic number

Question 13

What best describes the properties of a compound compared to the elements that make it up?

Accepted Answer

different

Question 14

This atom belongs to what family?

Accepted Answer

Carbon Family

Question 15

Which is NOT a metal?

Accepted Answer

Ge

Question 16

Which element has 50 electrons?

Accepted Answer

Sn

Question 17

Group's 3-12 have what family name?

Accepted Answer

transition metals

Question 18

An atom is stable if...

Accepted Answer

its valence shell is full

Question 19

Which is a nonmetal?

Accepted Answer

Rn

Question 20

Burning Magnesium metal with oxygen forms Magnesium Oxide which is ____________

Accepted Answer

a compound

Question 21

All metals...

Accepted Answer

conduct electricity

Question 22

Which is NOT a characteristic of nonmetals?

Accepted Answer

malleable

Question 23

Who did not contribute to the development of the atomic theory?

Accepted Answer

Darwin

Question 24

What does an atoms happiness depend upon?

Accepted Answer

the number of valence electrons it has

Question 25

What 1 thing do elements in period two have in common?

Accepted Answer

2 electron shells

Question 26

What did Rutherford's gold fold experiment prove?

Accepted Answer

that atoms have a dense, positively charged center

Question 27

What changes if the amount of protons in the nucleus changes?

Accepted Answer

the element

Question 28

What is Mercury's atomic number?

Accepted Answer

80

Question 29

Particles of a solid move ______________________ than particles of a liquid.

Accepted Answer

slower

Question 30

Where will you find unreactive elements?

Accepted Answer

far right

Question 31

An atom is NOT....

Accepted Answer

living

Question 32

How many protons does a Lithium atom have?

Accepted Answer

3

Question 33

What is 2 or more atoms chemically bound together?

Accepted Answer

molecule

Question 34

Atoms arranged in a repeating pattern describes _______________________

Accepted Answer

solid crystals

Question 35

What is NOT true about the nucleus of an atom?

Accepted Answer

it's neutral

Question 36

For H2O, what occurs at 0 degrees Celsius?

Accepted Answer

freezing and melting

Question 37

Dissolving salt in water...

Accepted Answer

is a physical change

The Atom and Periodic Table

Questions 37

The Atom and Periodic Table

Questions 37