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20 questions
If an element has an atomic number of 4, this means...
It has 4 protons
It has 4 neutrons
It has 2 electrons
It has 2 neutrons
If an element has 10 protons, it also has...
10 electrons
5 electrons
5 positive charges
10 negative charges
An element has an atomic number of 12, this element is
Beryllium
Magnesium
Calcium
Aluminium
The following is not a group 1 metal
Sodium
Rubidium
Scandium
Francium
The following is a group 2 metal
Vanadium
Strontium
Caesium
Nitrogen
The following combinations are halogens
Chlorine, Iodine, Sulfur
Chlorine, Nitrogen, Sulfur
Sulfur, oxygen, Phosphorus
Fluorine, Chlorine, Bromine
The following element makes up around 78% of earth's atmosphere
Oxygen
Carbon dioxide
Nitrogen
Magnesium
If an element is from group 3, it means....
It has three electron shells
It has three valence electrons
It is a non-metal
It is a gas
If an element is from period 4, this means...
It has 4 protons
It has 4 electrons
It has 4 electron shells
It has 4 valence electrons
If an element is from the d block it is classified as...
An alkaline earth metal
An alkali metal
A transition metal
A halogen
If an element is from the p block, this means...
It is from groups 13-18
It is always a metal
It is a transition metal
It is always a non-metal
An isotope of carbon has 8 neutrons. This means it has...
2 more neutrons than its original form
2 less neutrons than its original form
2 more protons than its original form
2 less protons than its original form
An isotope of nitrogen has 7 neutrons. This means...
It has an atomic mass of 14
It has an atomic number of 14
It has 14 neutrons
It has 14 protons
An isotope of beryllium has an atomic mass of 10. This means...
It has 1 more proton than its original form.
it has 1 more neutron than its original form.
It has 1 more electron than its original form.
It has 1 less proton than its original form.
Consider the element: Potassium.... choose the correct statement.
It is from period 4.
It has 4 valence electrons.
It is from group 4.
It has 4 protons.
Which statement regarding iron is incorrect....
It has 26 protons.
It has 26 electrons.
It is an alkaline earth metal.
It is a transition metal.
Which of the following statements regarding chlorine is incorrect?
It has 17 protons.
It has 17 electrons
It is from group 1
It is from period 3.
If an element gains one electron, it means...
It has more negative charges than positive charges.
It has more positive charges than negative charges.
It will have a charge of +1
It will have a charge of 0
If an element loses 2 electrons, it means...
It is from group 2.
It is a halogen.
It has more negative charges than positive charges.
It obtains a charge of 2-
A positively charged species is classified as...
A cation.
An anion.
A neutral atom.
An isotope.
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