Atomic number is equal to the number of which subatomic particle?
protons
Which element has 2 protons?
Helium
How many protons does Silicon have?
14
What is the formula for solving for neutrons?
neutrons = mass number - protons
What charge do electrons have?
-1
What charge do the Group 3A elements typically form based on their location on the Periodic Table?
+3
How many valence electrons does Sulfur (S) have based on its location on the Periodic Table?
6
What charge to protons have?
+1
Which element has 17 protons?
Chlorine
What is the number above the element's symbol?
Atomic number or number of protons
How many neutrons does the 39K isotope have?
20 neutrons
In a NEUTRAL atom, electrons equal which subatomic particle?
Protons
What charge does Lithium form based on its location on the Periodic Table?
+1
How many valence electrons does Rubidium (Rb) have based on its location on the Periodic Table?
1
What charge do neutrons have?
neutral or 0
Which element has the atomic number 38?
Strontium
If we know the number of protons, how can we identify the symbol for the element?
By looking at the Periodic Table
How many neutrons does the 63Cu isotope have?
34 neutrons
How many electrons does a NEUTRAL potassium (K) atom have?
19
What charge does Magnesium form based on its location on the Periodic Table?
+2
How many valence electrons does Phosphorus (P) have based on its location on the Periodic Table?
5
Define Octet Rule
most elements want 8 electrons in their valence shell
Which element has the atomic number 30?
Zinc
Write the other atomic notation format for the Cu-64 isotope?
64Cu
Which two subatomic particles make up the atomic mass (mass number) of the atom?
protons and neutrons
How many total electrons does the 19F-1 isotope have?
9 electrons
What charge does Carbon form based on its location on the Periodic Table?
+4 or -4
How many valence electrons does Calcium have based on its location on the Periodic Table?
2
Define isotope
Same element but different number of neutrons (different mass numbers)
An element with a mass number of 40 has 20 neutrons. Which element is this?
Calcium
Write the other atomic notation format for the 30P isotope.
P-30
How many neutrons does the 1H isotope have?
0 neutrons
How many total electrons does the 40Ca+2 isotope have?
18 electrons
What charge does Argon typically formed based on its location on the Periodic Table?
0 or neutral or none
How many valence electrons does Neon have based on its location on the Periodic Table?
8
Define valence electrons
Electrons in the outermost electron shell
A NEUTRAL element has 30 electrons. Which element is this?
Zinc (Zn)
30 electrons = 30 protons
Write the atomic notation for an element with 17 protons, 18 neutrons, and 18 electrons.
35Cl-1
Where is the mass number of the isotope written when writing atomic notation?
Top left corner: 13C
After a dash: C-14
Which two subatomic particles make up the charge for the atom?
Protons and Electrons
What charge do the Group B elements typically form based on their location on the Periodic Table?
varies based on the element (no set charges)
Name 2 elements that are exceptions to the Octet Rule.
H and He