Metals and nonmetals are found in which group of the periodic table?
What is Group 17
100
This diagram is one way of showing valence electrons.
What is Electron Dot
100
Groups and periods
What is how the periodic table is arranged.
100
Found in group 1
What is alkali metals
200
Noble gases have 8 of these
What is valence electrons
200
Fluorine is considered a metal or nonmetal?
What is nonmetal
200
Phosphorus has ______ valence electrons.
What is 5
200
The number 85 would be considered what part of the element?
What is atomic number
200
Alkali metals have only ________ valence electrons.
What is one
300
The element name for Xe
What is Xenon
300
Elements found in groups 2-12 are known as what types of metals?
What is other metals
300
What is found in the highest energy level, held most loosely, determines many properties of elements, and determines ways in which atoms can bond with other atoms.
What is valence electrons
300
The part of the periodic table tells the # of energy levels for elements in that row.
What is Periods
300
Alkali metals are very reactive because?
What is they have only one valence electron
400
Noble gases, because they have 8 valence electrons, are considered st__________ elements.
What is stable
400
Nonmetals carry ______ valence electrons.
What is seven
400
This is the force of attraction that holds two atoms together as a result of the rearrangement of electrons between them.
What is chemical bond
400
This part of the periodic table tells us that the properties of these elements are the same.
What is Group/families
400
Li is the element symbol for ?
What is Lithium
500
4.002602 is the atomic mass for which noble gas?
What is Helium
500
Group one is known as what type of metals?
What is Alkali metals
500
Valence electrons are found where in the atom?
What is most outer shell
500
This is arranged in order of increasing atomic numbers.
What is periodic table
500
Alkali metals become chemically more ____________ by losing one valence electron.