Atoms
Elements
Molecules
Compounds
Isotopes
100
Atoms are composed of these 3 subatomic particles?
Protons, neutrons, and electrons?
100
Substance made up of only one kind of atom.
Element
100
Two hydrogen atoms and one oxygen molecule make up one molecule of this.
One molecule of water
100
Two or more different atoms chemically bonded together in fixed proportions.
Compound
100
What is an isotope?
An atom with different amounts of neutrons.
200
Particle with a neutral charge in an atom.
Neutron
200
H is the chemical symbol for this element.
Hydrogen
200
The number of sodium atom in table salt. Hint: the symbol for table salt is NaCl
1 sodium atom
200
How can we tell how many different elements make up a compound?
The different element symbols; how many capital letters there are
200
The photo shows the isotopic notation for which isotope?
Carbon-14
300
Center of the atom that makes up most of the atom's mass.
The nucleus
300
Chart used by scientist to list all the elements.
Periodic table
300
All matter in the universe is made up of____________.
Atoms or Molecules
300
Molecule or Compound:
Sugar
Compound
300
How is an isotope identified?
The element name followed by the mass number
400
Particles located in the nucleus of an atom.
Protons and Neutrons
400
If an atom has an atomic mass of 25 and 9 protons. How many electrons does it have?
9
400
Smallest part of a compound.
Molecule
400
How many atoms are in Fe2O3 ?
5 atoms
400
How many neutrons does a Flourine-14 isotope have?
5
500
What is the atomic mass
The number of protons & neutrons in the nucleus of an atom
500
This element has 6 protons, 6 neutrons, and 6 electrons.
Carbon
500
An example of a molecule.
Answers will vary
E.g. Water, Carbon dioxide, Oxygen...etc
500
What elements are in this compound?
Iron and sulphur
500
What is the atomic mass of the pictured isotope?
4