Something that changes because of the independent variable?
What is dependent variable?
100
This group has 3 electrons in the outer shell
What is Boron group?
200
Define atomic mass and atomic number
What is number of neutrons and protons-atomic mass?
What is number of protons-atomic number?
200
The number of electrons in the outer shell?
What is the number 8?
200
The vertical elements on the periodic table
What is a group?
200
Four properties of matter
What are solid, liquid, gas, and plasma
200
This groups has 6 electrons in the outer shell.
What is Oxygen group?
300
What are atoms of the same element with the same number of protons but different number of neutrons?
What is an isotope?
300
What is the positive charge in an atom?
What is a proton?
300
Elements are organized how on the periodic table?
What are by atomic number and similar properties?
300
Property of metals and alloys that allows them to be drawn into wires.
What is ductile?
300
This group is radioactive, and has many man-made elements.
What is sythentic group?
400
The the most current atom model called?
What is the electron cloud model?
400
The negative charge in an atom?
What is an electron?
400
elements whose nucleus break down and emits particles and energy.
What is radioactive elements?
400
occurs because some electrons move freely among a metal's positively charged ions, explained properties such a ductility and the ability to conduct electricity.
What is metallic bonding?
400
The groups have electrons that shells are full.
What is noble gases?
500
The first atom model created in 400B.C. called?
What is Democritus Model?
500
The center of an atom
What is the nucleus?
500
Different molecular structures of the same elements.
What is allotrope?
500
A molecule that consist of two atoms of the same element joined by a covalent bond.
What is diatomic molecule?
500
The groups have 7 electrons in the outer shell, high electronegativity and very reactive.