Subatomic Particles
What is the charge of a proton?
Positive (+)
What do you look at on the periodic table to find the number of protons of an element?
Where are periods on the periodic table?
Periods are the horizontal rows (run right and left) of elements on the periodic table
Magnesium is in group _____ and period _____.
Magnesium is in group 2 and period 3 on the periodic table.
How many valence electrons do all elements in group 1 have?
1
What is the charge of a Neutron?
What do you look at on the periodic table to find the number of electrons of an element?
The Atomic number
Where are groups on the periodic table?
Groups are the vertical columns (run up and down) of elements on the periodic table
Titanium is in group _____ and period _____.
Titanium is in Group 4 and Period 4 on the periodic table.
How many valence electrons do all elements in group 2 have?
2
Where are protons and neutrons located?
In the nucleus
Where do you find the Atomic number on the periodic table?
It is the number on top of each element
How many groups are there on the periodic table?
18
______ is in Group 13 and Period 3 on the periodic table.
Aluminum
How many valence electrons do all elements in group 13 have?
Where are electrons located?
On the rings around the nucleus
Where can you find the Atomic Mass of an element on the periodic table?
It is the number underneath each element
How many periods are there on the periodic table?
7
What period and group is Bromine in? How many protons, neutrons and electrons does Bromine have?
Bromine is in period 4 and group 17 on the periodic table. It has 35 protons, 35 electrons, and typically 45 neutrons.
How many valence electrons do all elements in group 14 have?
4
What is the mass of one Proton or one Neutron?
1 amu
How do you find the amount of neutrons in each element?
You take the rounded Atomic Mass and subtract the Atomic Number
Where on the periodic table are the lanthanides and Actinides?
________ is in Period 1, Group 18 on the periodic table. _____ has 2 protons, 2 electrons, and typically 2 neutrons.
Helium
What are valence electrons?
Valence electrons are the outermost electrons of an atom, which participate in reactions