WorksheetsThe Periodic Table - The basics
Total questions: 15
Worksheet time: 11mins
a) X and Y
b) X and Z
c) Y and Z
d) none are isotopes
What is the number of protons in an O2+ ion?
6
8
10
16
What is the atomic # of an Al3+ion?
27
16
13
10
An isotope with a +1 charge has a mass of 24 atomic mass units and 10 electrons. Identify the isotope.
magnesium-23 with a +1 charge
magnesium-24 with a +1 charge
neon-24 with a +1 charge
sodium-24 with a +1 charge
An isotope with a +1 charge has a mass of 24 atomic mass units and 10 electrons. How many protons are in the isotope?
9
10
11
13
14
An ion with a +1 charge has a mass of 24 atomic mass units and 10 electrons. How many neutrons are in the ion?
9
10
11
13
14
What do Group 4A atoms have in common?
They are all metallic.
They all have the same number of "shells" (electron energy levels)
They are all highly reactive in water.
They have the same number of valence electrons.
Atom X has the same number of protons as Atom Z but has a different mass number. Atom X and Atom Z are:
ions
isotonic
ionic
isotopes
Which of the following will most likely form an anion?
Chlorine
Neon
Lithium
Calcium
Which of the following Period 3 elements reacts most violently with water?
sodium
magnesium
aluminum
silicon
Identify the family of the atom described using the following notes:
- it is shiny
- it can be pounded into thin sheets
- it has more than one oxidation state
- it is solid at room temperature
- it has a high melting point
non-metal in Group 7A
transition metal
metalloid
metal in group 1
An unreactive (inert) element with full valence shells would be found in:
Group 1
Group 4
Group 8
Group 18
The atomic number of a neutral atom can help you to identify
The element
The number of protons
The number of neutrons
The number of electrons
Which statement is true about the following particle:
10747Ag-
It has 47 protons, 47 neutrons and 60 electrons
It has 47 protons, 60 neutrons and 47 electrons
It has 47 protons, 107 neutrons and 48 electrons
It has 47 protons, 60 neutrons and 48 electrons.
A neutrally charged atom has the following information:
- 10 neutrons and 9 electrons
Identify the atom
fluorine
neon
potassium
nickel
