Parts of Atoms
Scientists
Periodic Table
Mixtures
Elements
100
Nucleus
What is the center of the atom containing protons and neutrons
100
Dmitri Mendeleev
What is the creator of the periodic table.
100
Familes
What is a group also known as?
100
Element
What is a pure substance that cannot be broken down into any other substances.
100
Group 14 Period 4
What is Germanium
200
Proton
What is positively charged particle in the nucleus of the atom.
200
John Dalton
What is the scientist who believed the atom was shaped like a sphere.
200
Groups
What is the vertical columns of the periodic table.
200
Water is an___________(element, compound, or mixture)
What is a compound.
200
Group 15 Period 6
What is Bismuth
300
Neutrons
What is the particle in the nucleus of the atom with no charge.
300
J.J. Thomson
What is the scientist who believed the atom was a postively charged sphere with negative electrons embedded in it.
300
Metaloids
What is elements on the periodic table that have properties of metals and non-metals.
300
compound
What is a new substance formed when elements combine chemically.
300
Atomic number of Osmium (Os).
What is 76
400
Electron
What is a negatively charged particle orbiting around the nucleus.
400
Ernest Rutherford
What is the scientist who discovered that the atom has a postively charged nucleus with electrons orbiting randomly around it.
400
Alkali Metals
What is the group in the periodic table that is very reactive with other elements because they only have 1 electron in the outer shell.
400
homogeneous mixture
What is type of mixture where two or more substances are evenly mixed on a molecular level but are not bonded together
400
Number of Protons of Silicon (Si)
What is 14
500
Atom
What is basic particle from which all elements are made.
500
Niels Bohr
What is the scientist who discovered electrons move in shells.
500
Nobel Gases
What is group 18 on the period table. Do not react because they have a full outer shell. Exist as gases.
500
Heterogeneous Mixture
What is a type of mixture where the substances are not evenly mixed.
500
Number of Neutrons of Potassium (K).
What is 20
M
e
n
u