WorksheetsExam #3 Review
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
What is the smallest part of a substance that retains the properties of the substance?
a)
Atom
b)
Molecule
c)
Element
2.
Which subatomic particle is NEUTRAL and found INSIDE the nucleus?
a)
Proton
b)
Neutron
c)
Electron
3.
Which subatomic particle is POSITIVELY charged and found INSIDE the nucleus?
a)
Proton
b)
Neutron
c)
Electron
4.
Which subatomic particle is NEGATIVELY charged and found OUTSIDE the nucleus?
a)
Proton
b)
Neutron
c)
Electron
5.
Which two subatomic particles are found INSIDE an atom's nucleus?
a)
Protons & neutrons
b)
Neutrons & Electrons
c)
Electrons & Protons
6.
An element's atomic number tells you its number of _____________.
a)
Protons
b)
Neutrons
c)
Electrons
7.
Isotopes of an element have the same numbers of PROTONS but different numbers of ________________.
a)
Protons
b)
Neutrons
c)
Electrons
8.
When calculating the mass number of an atom, you should add together the numbers of:
a)
Protons & neutrons
b)
Neutrons & Electrons
c)
Electrons & Protons
9.
Which of the following elements is in PERIOD 4?
a)
Element #40, Zirconium (Zr)
b)
Element #34, Selenium (Se)
c)
Element #87, Francium (Fr)
10.
Which of the following elements is in GROUP 2?
a)
Element #3, Lithium (Li)
b)
Element #20, Calcium (Ca)
c)
Element #58, cerium (Ce)
11.
Which of these elements would be considered a metalloid?
a)
Silicon (Si)
b)
Oxygen (O)
c)
Gold (Au)
12.
Which of these elements would be considered a nonmetal?
a)
Silicon (Si)
b)
Oxygen (O)
c)
Gold (Au)
13.
Which of these elements would be considered a metal?
a)
Silicon (Si)
b)
Oxygen (O)
c)
Gold (Au)
14.
These elements are brittle, dull (not shiny), and poor conductors of heat and electricity. They can be found to the right of the zigzag line. What are they?
a)
Metals
b)
Nonmetals
c)
Metalloids
15.
Which element always has 30 protons?
a)
Zinc (Zn)
b)
Phosphorus (P)
c)
Rubidium (Rb)
16.
An atom has 12 protons, 13 neutrons, and 12 electrons. What is its mass number?
a)
25
b)
37
c)
12
17.
An atom has 21 protons, 25 neutrons, and 21 electrons. What is its atomic number?
a)
21
b)
46
c)
67
18.
Most of the elements on the periodic table are ______________________.
a)
Liquids
b)
Nonmetals
c)
Metals
19.
Which scientist is credited for creating the first periodic table?
a)
Dalton
b)
Thomson
c)
Mendeleev
20.
Which of the following is a transition metal?
a)
Element #50, Tin (Sn)
b)
Element #39, Yttrium (Y)
c)
Element #19, Potassium (K)
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