Chemistry terms
The symbol Cu stands for this element.
What is copper?
Groups go this direction on the periodic table.
What is up and down?
These subatomic particles circle around the nucleus of the atom and have a negative charge.
What are electrons?
The top number on the periodic table is called this. It tells you how many protons and electrons are in the atom.
What is the atomic number?
The first orbital of a Bohr model can hold this many electrons.
What is 2?
Ag5O2 stands for this many silver atoms and this many oxygen atoms.
What are 5 and 2?
On the right side of the periodic table are these types of atoms, which can be solid, liquid, or gas at room temperature.
What are nonmetals?
Neutrons have this kind of charge and help keep protons together in the nucleus.
What is no charge?
The atomic mass is the bottom number for an element. It tells you how many of these are present in the nucleus.
What are protons and neutrons?
All orbitals outside of the first one can hold this many electrons
What is 8?
Hexabromide means there are this many bromine atoms present.
What is 6?
There are this many periods on the periodic table, which go from left to right.
What is 7?
The center of the atom that contains protons and neutrons is called this.
What is the nucleus?
This many protons are in the element platinum.
What is 78?
Electrons should be placed in this way until the shells are filled. (Think - close together or far apart?)
What is farther apart?
This word is defined as anything that has mass and takes up space.
What is matter?
This element is in Group 3, Period 5 of the periodic table.
What is Yttrium?
This model of the atom claims that atoms are the smallest particle in the universe.
What is the atomic model?
This many electrons are in the element Mercury.
What is 80?
A Bohr model for carbon should have this many electrons.
What is 6?
What are 2 and 8?
Antimony can be found in this group and period of the periodic table.
What is group 15 period 5?
This model of an atom is named after a popular dessert at the time, and it is described as a cloud of positive charge with electrons dotting throughout.
What is the plum pudding model?
This many neutrons are in the element Radium.
What is 138? (226-88)
A Bohr model for Aluminum should have this many neutrons.
What is 14? (27-13)