What is the charge on an electron?
- 1, negative one
What has the symbol Ne?
Neon
True or False: There are elements that have two uppercase letters as the element symbol?
False
What does the Atomic Number represent?
The number of Electrons and Protons located in a specific element.
What is the charge on proton?
Plus 1 charge
What is the number of Neutrons located in this element? Round if necessary.
![]()
12 neutrons.
How is the table organised?
By the atomic number/ number of protons
What is the charge on a neutron?
0, no charge
What element symbol "K" represents in the periodic table?
What is atomic number of K?
Potassium
19
How many elements are there on the Periodic Table?
118
What is atomic mass
Number of protons and neutrons
Which subatomic particle moves the most?
electrons
What element has the least number of protons on the periodic table?
Hydrogen
Who first developed the Periodic Table?
Dmitri Mendeleev
Nucleus consists of ____+_____.
Protons +neutrons
Which subatomic particle never changes?
protons
An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
125
Where do silver and gold get their symbols on the Periodic Table?
Latin names for the elements.
Silver - Argentum (Ag)
Gold - Aurum (Au)