Atoms
What is the center of the atom called?
Nucleus
What element do we use for breathing
oxygen
What element has the atomic symbol H
Hydrogen
20 is the Atomic number for which element?
Calcium
The smallest particle that's even smaller than a cell
What are the negative charged particles that move on the outside of an atom called
electrons
This element is used to make coins and starts with the letter 'C'
Copper
What element has the atomic symbol He
Helium
1 is the Atomic Number for this element
Hydrogen
What the electrons go around on at great speed
orbits
What particles in the nucleus have no charge
Neutrons
This element is bright yellow metal that can be used in jewelry
Gold
Which element has the atomic symbol Li?
Lithium
9 is the atomic number for this element
Fluorine
How many electrons can go in the first orbit: 2, 8, 18
2
What are the two parts found in the nucleus
Proton and neutron
This element is a gas used to fill up balloons
Helium
Which element has the atomic symbol Be
Beryllium
26 is the atomic symbol for this element
Iron
What is the atomic mass of Na?
23
Electrons are lighter and faster than protons and neutrons True or False
True
With the Atomic # 6 this element is essential for life
Carbon
Which element has the atomic symbol B?
Boron
50 is the atomic number for this element
Tin
How many electrons are in Nitrogen
7