Atoms
What are the 3 sub-atomic particles of an atom?
Protons, Electrons & Neutrons
How are elements arranged in the Periodic Table?
Proton number
Molecules are made up of more than _____ atoms.
Two
Molecules of compounds are made up of same/different types of atoms.
Different
Give an example of a metallic element.
Any element on the left-hand side of the Periodic Table.
Which sub-atomic particles contribute to the mass of an atom?
Protons and Neutrons
What is the name of the element in group V and period 5 of the Periodic Table?
Antimony
A molecule of an element is made up of the same/different type of atom.
Same
What is the smallest particle of the element silver (Ag) that we can still classify as being silver?
A. Neutron
B. Atom
C. Proton
D. Electron
B. Atom
Give an example of a non-metallic element.
Any element on the right-hand side of the Periodic Table.
How many neutrons are there in Barium?
81 neutrons
Water is an element. True/False
False. It is a molecule made up of the elements hydrogen and oxygen.
Give an example of a molecule of an element.
Hydrogen gas/Oxygen gas/Ozone/etc.
The chemical composition of a molecule can be represented by the __________ ______________.
chemical formula
A molecule is made up of 2 carbon atoms, 4 hydrogen atoms and 2 oxygen atoms. Is it a molecule of an element/compound?
Molecule of a compound
Atoms of an element have the same number of?
Protons and electrons
Which of the following is an element? Silver/Steel/Oil/Air
Silver
How many neutrons are there in aluminium?
14 neutrons
Give an example of a molecule of a compound.
Carbon dioxide/Ammonia gas/Water/etc.
Name the non-metallic element that is found in pencils.
Carbon
What is the most abundant element in the atmosphere (air)?
Nitrogen!
C6H12O6 (Glucose... sugar!)
How many atoms are in one molecule of glucose?
6 + 12 + 6 = 24 atoms!
Is chalk (made up of carbon, calcium and oxygen) a molecule of an element?
No, it consists of more than one type of element/atom
What is the common name of the compound sodium chloride?
Table salt
State the types and number of each type of atom in Zn(NO3)2.
1 zinc atom
2 nitrogen atoms
6 oxygen atoms