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Atoms & PT

Total questions: 40

Worksheet time: 49mins

Name
Class
Date
1.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
2.
the central region of an atom where its neutrons and protons are is its 
a)
nucleus 
b)
electron cloud
c)
core 
d)
center 
3.
an atom with atomic number 6 would have how many protons 
a)
6
b)
12
c)
3
d)
cannot be determined 
4.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
5.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
6.
Each column in the periodic table is called a 
a)
period
b)
group
c)
cluster
d)
unit
7.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
8.
15. Which of these describe gold?
a)
A. MIXTURE
b)
B. COMPOUND
c)
C. ELEMENT
9.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals (group 1) 
b)
alkaline earth metals (group 2)
c)
halogens (group 17) 
d)
noble gases (group 18) 
10.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
11.

How many protons, neutrons, and electrons are found in 1 atom of Boron?

a)

5 protons, 11 neutrons, 5 electrons

b)

6 protons, 11 neutrons, 5 electrons

c)

5 protons, 6 neutrons, 5 electrons

d)

5 protons, 5 neutrons, 5 electrons

12.

Which subatomic particles contribute the most mass to the atom?

a)

Protons, Neutrons, Electrons

b)

Protons only

c)

Protons and Electrons

d)

Protons and Neutrons

13.

What would be the charge of an atom that had 10 protons and 9 electrons

a)

Neutral, no charge

b)

+1

c)

-1

d)

+10

14.

Which subatomic particle determines the reactivity of an atom?

a)

Protons

b)

Neutrons

c)

Electrons

d)

Valence electrons

15.

Which correctly describes the charges and locations of subatomic particles?

a)

Protons: positive, nucleus

Neutrons: negative, nucleus

Electrons: neutral, outside the nucleus

b)

Protons: positive, nucleus

Neutrons: neutral, outside the nucleus

Electrons: negative, nucleus

c)

Protons: positive, nucleus

Neutrons: negative, nucleus

Electrons: neutral, nucleus

d)

Protons: positive, nucleus

Neutrons: neutral, nucleus

Electrons: negative, outside the nucleus

16.

Carbon has 12 protons.

a)

True

b)

False

17.

Oxygen has _____ protons and electrons.

a)

6

b)

8

c)

15

d)

16

18.

Water is an element.

a)

True

b)

False

19.

Water is a compound.

a)

True

b)

False

20.

The smallest particle of an element that retains all the properties of that element. Contains protons neutrons and electrons.

a)

Atom

b)

Electron

c)

Proton

d)

Neutron

21.

A subatomic particle with a charge of negative electricity, found in all atoms.

a)

Atom

b)

Electron

c)

Proton

d)

Neutron

22.

A subatomic particle occurring in all atomic nuclei, with a positive electric charge.

a)

Atom

b)

Electron

c)

Proton

d)

Neutron

23.

-two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties.

a)

Element

b)

Nucleus

c)

Daltons Atomic Theory

d)

Isotope

24.

All matter is made of what

a)

energy

b)

atoms

c)

electrons

d)

compounds

25.

The central region of an atom where its neutrons and protons are is its

a)

nucleus

b)

electron cloud

c)

core

d)

center

26.
A charged atom
a)
Ion
b)
Isotope
c)
Electron Cloud
d)
Quark
27.
Discovered the nucleus of the atom through the Gold Foil Experiment
a)
Rutherford
b)
Chadwick
c)
Thomson
d)
Dalton
28.
Discovered the electron within the atom
a)
Thomson
b)
Chadwick 
c)
Schrodinger & Heisenberg
d)
Dalton
29.
Believed that atoms of the same element are identical to each other
a)
Bohr
b)
Rutherford
c)
Dalton
d)
Thomson
30.
Which of these is a property of metals?
a)
It's malleable
b)
It can't conduct electricity
c)
They are used in food
d)
It's very brittle
31.
Which of these grouping of elements could have the characteristic of brittle?
a)
Metal
b)
Nonmetal
32.
Which of the following is a good conductor of heat?
a)
Metal
b)
Nonmetal
c)
Metalloid
33.
Iron is a good conductor, malleable and magnetic. What type of element is Iron? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
34.
Silicon is a semiconductor and has properties of both metals and nonmetals. What type of element is Silicon? 
a)
Metal
b)
Nonmetal
c)
Metalloid
d)
Pretty
35.
Which elements are found on the right side of The Periodic Table?
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Water
36.
All of the following would classify an element as a metal except?
a)
Dull
b)
Luster
c)
Malleable
d)
Hard
37.

The word “luster” refers to which property of matter?

a)

The ability to conduct electrical or thermal energy

b)

Capable of being drawn out into thin wires

c)

The way a surface appears when it reflects light

d)

Suitable for being shaped by beating or rolling

38.

The elements argon, krypton, and xenon are all nonmetals. What property would these elements have in common?

a)

Good conductors of thermal energy

b)

Unreactive

c)

Soft and malleable

39.

The most reactive metal

a)

Sodium

b)

Lithium

c)

Magnesium

d)

Francium

40.

The most reactive nonmetal

a)

Oxygen

b)

Sulfur

c)

Chlorine

d)

Fluorine

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