Atoms, Atoms, & more Atoms
The center of an atom.
What is the nucleus?
The letters on the element square. Example is C or Na.
What is the element symbol?
5
What is the atomic number of Boron?
Has properties of both metals and nonmetals.
What is a metalloid?
This element has 18 protons and 21 neutrons. Find the atomic mass.
39
The positively charged particles in an atom.
What is a proton?
The larger value number on the element square.
What is atomic mass number?
Atomic number tells us this.
What is the number of protons?
Located on the left side of the periodic table and middle.
What is a metal?
Mercury has an atomic number of 80, if it is neutral how many protons and electrons does it have?
80
The charge on a neutron.
What is neutral?
The smaller value number on the element square.
What is the atomic number?
16.00
What is the atomic mass of Oxygen?
located on the right side of the periodic table.
What is a nonmetal?
Protons is 28, atomic mass is 58. Find the neutrons.
30
The negatively charged particle located outside of the nucleus.
What is an electron.
The numbers that are on top of the periodic table, the columns.
What are the group numbers / family numbers?
26.98
What is the atomic mass of Aluminum?
Boron, Silicon, and Arsenic.
What are metalloids?
The number of protons is 80, the number of neutrons is 120. Find the atomic mass.
200
The smallest particle an element can be broken down into.
What is an atom?
The numbers that go across, the rows, on the periodic table.
What are the periods?
Neutrons + Protons
What is the atomic mass?
Oxygen, carbon, krypton, and iodine.
What are nonmetals?
The atomic mass is 65. The number of neutrons is 35. Find the number of protons and electrons in a neutral atom.
30