WorksheetsScience Test 1/14
Total questions: 28
Worksheet time: 21mins
How many neutrons can be found in an atom of Na (Sodium)?
12
11
22.99
23
How many protons does Potassium (K) have?
39
19
20
39.10
What is the atomic mass of Calcium (Ca)?
40.08
20
The atomic number of an element increases from left to right across the periodic table.
True
False
What subatomic particle is positive and found in the nucleus?
electron
proton
neutron
quark
Every element has an unique number of _______________.
protons
neutrons
electrons
symbols
What subatomic particle is found in the nucleus and is neutral?
proton
neutron
electron
Which subatomic particle determines an atom's identity?
Proton
Neutron
Electron
Nucleus
The atomic NUMBER tells you what?
number of electrons
number of protons
number of neutrons
number of protons AND electrons in an element
The atomic MASS tells you what?
number of electrons
number of protons
number of neutrons
the number of protons + neutrons
How many PROTONS does Beryllium have?
4
9
5
13
How many PROTONS does Boron have?
11
5
16
6
How many NEUTRONS does Fluorine have?
19
10
9
28
Which of these is the proton?
A
B
C
None
Which subatomic particle is located in the nucleus of an atom and has a positive charge?
Protons
Electrons
Neutrons
Valence Electrons
How can you calculate the number of neutrons in an atom?
Subtract atomic number from mass number
Add atomic number and mass number
Multiply atomic number by mass number
Subtract mass from atomic number
___________________ are positively charged particles located in the nucleus of an atom.
Electrons
Neutrons
Protons
Isotopes
Rows in the Periodic Table are called
Periods
Groups/Families
Cousins
Metals
Column in the Periodic Table are called
Periods
Groups/Families
Cousins
Metals
