Lesson 1
Vocab
Vocab
Anything that has mass and takes up space.
What is MATTER?
Particles of matter with a positive charge.
What is a PROTON?
This element's atomic mass is 4.0026.
What is HELIUM?
This element's symbol is AR.
What is ARGON?
When 2 or more elements are physically mixed together but not chemically, and can be separated.
What is a MIXTURE?
Matter that has a definite shape and definite volume.
What is a SOLID?
An extremely tight ball of particles, found in the center of an atom.
What is a NUCLEUS?
This element's atomic mass is 15.999.
What is OXYGEN?
This element's symbol is Be.
What is BERYLIUM?
An atom that has more electrons than protons.
What is a NEGATIVELY CHARGED atom or an ANION?
Does not have a definite shape, conforms to the shape of its container. Does have a definite volume.
What is a LIQUID?
An atom that is not electrically balanced.
What is an ION?
This element's atomic mass is 24.305.
What is MAGNESIUM?
This element's symbol is S.
What is SULPHUR?
An atom that has more protons than electrons.
What is a POSITIVELY CHARGED atom or CATION?
A substance that is made of only one kind of atom.
What is an ELEMENT?
A positively charged ION.
What is a CATION?
This element's atomic mass is 26.982.
What is ALUMINUM?
This element's symbol is K.
What is POTASSIUM?
The charge of an element that has 6 protons, 8 neutrons, and 11 electrons.
What is NEGATIVE or ANION?
A substance that is made up of two or more different elements bound together in a constant ratio.
What is a COMPOUND?
Unit of measurement for atomic mass of an element.
What is DALTON or UNIFIED ATOMIC MASS UNIT
This element's atomic mass is 39.098.
What is POTASSIUM?
This element's symbol is Na.
What is SODIUM?
The atomic mass of an element that has 5 protons, 5 neutrons, and 8 electrons.
What is 10?