WorksheetsHwK: BJU 4.3 Atomic Notation
Total questions: 26
Worksheet time: 27mins
What is the mass # and name of an element with 8 p+ and 8 no?
16 - Carbon
16 - Oxygen
24 - Oxygen
8 - Neon
This particle determines the identity of an element?
electron
proton
neutron
valence shell
Which element has atomic # of 10?
Flourine
Helium
Silicon
Neon
How many neutrons are in isotope C-14?
6
7
14
8
What is the name & mass # of this atom?
sodium, 23
magnesium, 23
magnesium, 12
sodium, 11
What is the mass number defined as?
the number of protons
the number of protons and neutrons
the number of neutrons
the number of protons and electrons
What is the atomic number of Barium, Ba? (enlarge the periodic table)
20
38
56
88
How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)
Sodium has 1 proton.
Sodium has 3 protons.
Sodium has 11 protons
Which subatomic particle has a negative charge in the atom?
proton
neutron
electron
quark
Isotopes have different numbers of
protons
neutrons
electron
properties
The number in Kr-84 represents what about Krypton?
The number of electrons
The number of protons
The mass number
Calcium has three different isotopes. One has a mass of 35.00 amu; another has a mass of 41.00 amu; and another has a mass of 40.00 amu. Which isotope is the most abundant of the three?
40.00 amu
41.00 amu
35.00 amu
impossible to tell
24.1% of all the isotopes of a an element have a mass of 75.23 amu, 48.7% have a mass of 74.61 amu, and 27.2% have a mass of 75.20 amu.
How many protons does this element have?
32
33
34
no way to know
Atom 1 has Mass=12 Protons=6
Atom 2 has Mass= 14 Electrons=6
Are these atoms isotopes of each other or different elements?
Different Elements - Mg & Si
Different Elements - Ar & Ca
Isotopes of Carbon
Isotopes of Magnesium
How many protons does this isotope of titanium have?
48
22
26
70
What does the 1.00794 stand for?
Hydrogen
atomic number
atomic mass
atomic explosion
131.293
atomic number
mass number
atomic mass
ion charge
_____ are negatively charged, _____ are positively charged, and _____ have no charge.
protons; neutrons; electrons
neutrons; protons; electrons
electrons; protons; neutrons
protons; electrons; neutrons
54
atomic number
mass number
atomic mass
ion charge
12 protons, 14 neutrons, 14 electrons
magnesium-24
silicon-26
nickel-42
magnesium-26
Which of the following particles contribute to the CHARGE of an ion?
protons
neutrons
electrons
croutons
Which of the following nuclear particles contribute to the MASS of an atom?
protons
neutrons
electrons
croutons
The other atomic notation for this element
beryllium-4
beryllium-9
beryllium-2
beryllium-13
612C What is the C represent
mass number (n+p)
proton/atomic number
element symbol
number of neutrons
How many neutrons does this isotope of titanium have?
48
22
26
70
Please Label the Element Information from the Periodic Table of Elements.
Chemical Name
Chemical Symbol
Atomic Mass
Atomic Number
