An atom of the same element with different # of neutrons

Periodic Table Flashcards

1

Number of neutrons is:

Always = to protons
Atomic Mass - # of protons
Always = to Atomic Number
Atomic mass - # of electrons

2

An element's average atomic mass is 72.64, atomic # is 32, it likely has how many neutrons?

43
40
73
41

3

Iodine, I atomic number?

54
53
129.6
126.9

4

Atomic number is

same as number of neutrons
same as number of electrons
equal to the atomic mass
same as number of protons

5

Iodine, I, average atomic mass?

35
126.9
53
129.6

6

To the right of the stairstep is the:

metals
none of the answers
halogens
nonmetals

7

highlighted group

Alkali Metals
Halogens
Alkaline Earth Metals
Noble Gases

8

Which element would have properties similar to those of beryllium, Be?

Na
Li
Mg
B

9

An isotope is:

An atom of the same element with different # of neutrons
none of the above
An average of all of the naturally occurring neutrons
An atom of the same element with different # of protons

10

The highlighted group?

Halogens
Noble Gases
Alkaline Earth Metals
Alkali Metals

11

Is Iodine a metal, metalloid, or nonmetal?

nonmetal
none of these answers
metalloid
metal

12

The lower left and upper right corners of the periodic table are where you can find:

The least reactive elements
Metals
The most reactive elements
Transition Metals

13

Along the stairstep you find:

Metalloids
Metals
Non Metals
Halogens

14

What is Iodine's state at room temperature?

Liquid
Gas
Solid
None of the above

15

Atomic Number 16

Copper
Oxygen
Carbon
Sulfur

Periodic Table

Questions 15

Periodic Table

Questions 15