STJPII Organizing the Elements

Question 1

Each horizontal row in the periodic table is called _____.

Accepted Answer

period

Question 2

Term that refers to elements in a column of the periodic table.

Accepted Answer

family

Question 3

What does nuclear fusion create inside stars?

Accepted Answer

heavier elements

Question 4

A gas-like state of matter consisting of free electrons and atomic nuclei is _____.

Accepted Answer

plasma

Question 5

What do elements in the same column in the periodic table have in common?

Accepted Answer

similar properties

Question 6

What does nuclear fusion create inside stars?

Accepted Answer

heavier elements

Question 7

Mendeleev noticed that patterns appeared when he arranged the elements in what way?

Accepted Answer

in order of increasing atomic mass.

Question 8

Elements in a _____, or family, of the periodic table have similar properties.

Accepted Answer

group

Question 9

When 2 atomic nuclei combine to form a larger nucleus, releasing huge amounts of energy is ___.

Accepted Answer

nuclear fusion

Question 10

This word means in a regular, repeating pattern.

Accepted Answer

periodic

Question 11

This statement is true about elements in each group.

Accepted Answer

They all have similar characteristics.

Question 12

Who discovered a set of patterns that applied to the elements?

Accepted Answer

Mendeleev

Question 13

Elements in a group, or family, of the periodic table have similar _____.

Accepted Answer

characteristics

Question 14

A process in which two smaller atomic nuclei are forced together, _____.

Accepted Answer

nuclear fusion

Question 15

A _____ is an abbreviation for the name of an element and has either one or two letters.

Accepted Answer

chemical symbol

Question 16

Across a period from left to right, the properties of elements change according to a pattern.

Accepted Answer

true

Question 17

A (an)_____ is the smallest particle of an element.

Accepted Answer

atom

Question 18

The modern periodic table is now arranged according to _____.

Accepted Answer

atomic number

Question 19

What can you predict about an element from its position in the periodic table?

Accepted Answer

element's properties

Question 20

A one- or two- letter representation of an element is called _____.

Accepted Answer

Chemical symbol

Question 21

In what order did Mendeleev arrange the elements in the periodic table?

Accepted Answer

Increasing atomic mass

Question 22

What is the atomic mass of an element?

Accepted Answer

The average mass of all the isotopes of that element.

Question 23

This is a gas-like mixture of free electrons & atoms stripped of their electrons.

Accepted Answer

plasma

Question 24

Why do elements have symbols that are very different from the English names of the elements?

Accepted Answer

Latin names

Question 25

The _____ of an element is the average mass of all the isotopes of that element

Accepted Answer

atomic mass

Question 26

Elements in a group, or _____, of the periodic table have similar characteristics.

Accepted Answer

family

Question 27

Mendeleev was the first to arrange elements in a ______ based on their properties.

Accepted Answer

periodic table

Question 28

In stars more massive than the sun, fusion continues until the core is almost all _____.

Accepted Answer

iron

Question 29

Stars the size of the sun can produce elements heavier than oxygen.

Accepted Answer

false

Question 30

An element's _____ is its row in the periodic table.

Accepted Answer

period

STJPII Organizing the Elements

Questions 30

STJPII Organizing the Elements

Questions 30