Ch 4/5

Question 0

which subatomic particle’s are in the nucleus

Answer 0

protons and neutrons

Question 1

The smallest particle of an element is called

Answer 1

atom

Question 2

Very small center core of an atom

Answer 2

nucleus

Question 3

have no charge and are neutral

Answer 3

neutrons, atoms and compounds

Question 4

which part of the atom is negative and moves around the nucleus

Answer 4

electrons

Question 5

each element is given a specific blank that usually consists of one or two letters

Answer 5

symbol

Question 6

Mendeleev created the first periodic table by arranging elements in order of

Answer 6

increasing atomic mass

Question 7

how did chemist change Mendeleev periodic table in the early 1900s

Answer 7

added elements and arranged in order of increasing atomic number

Question 8

how does nuclear fusion create new elements inside stars

Answer 8

smaller nuclei collide and combine forming larger nuclei

Question 9

In stars matter exists in this state

Answer 9

plasma

Question 10

most of the elements that form a zigzag line in the periodic table belong to one major group what is the group

Answer 10

metalloid

Question 11

which group contains the most elements

Answer 11

transition metals

Question 12

elements that easily transfer electricity and heat display the property known as

Answer 12

conductivity

Question 13

which attorneys that models to be pounded into sheets as an aluminum foil or be in into complex shapes

Answer 13

malleability

Question 14

A substance that will conduct electricity only under certain conditions is called a

Answer 14

semi conductor

Question 15

The almonds and a column of the periodic table have similar

Answer 15

characteristics

Question 16

vertical column of elements in the periodic table is called

Answer 16

A group/family

Question 17

horizontal row of elements in the periodic table is called

Answer 17

a period

Question 18

most metals are in what form at room temperature

Answer 18

solid

Question 19

which term means that metals can be pulled into thin strands or wires

Answer 19

ductility

Question 20

The valance electrons are those electrons most blank tell by the Atom in its outer shell

Answer 20

loosely

Question 21

blank particle is positively charged and consist of two protons and neutrons

Answer 21

alpha particle

Question 22

what is a beta particle

Answer 22

fast-moving electron given off by nucleus during radioactive decay

Question 23

what is a GammaRay

Answer 23

hey are you giving off during radioactive decay similar to x-rays

Question 24

what is the attraction between two oppositely charged ions

Answer 24

ionic bond

Question 25

each family in the periodic table has its own characteristic properties based on the number of

Answer 25

valance electrons

Question 26

atom loses an electron it becomes

Answer 26

positively charged ion

Question 27

when an Adam Gaines an electron it becomes

Answer 27

hi negatively charged ion

Question 28

Ions that are made of one or more atoms are examples of

Answer 28

polyatomic ion

Question 29

A chemical bond formed when two atoms share electrons is called

Answer 29

covalent bond

Question 30

covalent bond in which electrons are shared equally

Answer 30

Nonpolar

Question 31

covalent electrons are shared equally is

Answer 31

polar