Atomic Structure
Atomic Number
How do you find the number of electrons?
Atomic Number
What number is the atomic number on the periodic table? (bottom or top)
Top
how many protons does helium have?
2
Element, compound, or mixture? Iron (Fe)
Element
Where are the neutrons located?
Nucleus
What charge does an electron have?
Negative
How many electrons does silver (Ag) have?
47
How many electrons does iron (Fe) have?
26 electrons
What number is the mass number on the periodic table (bottom or top)?
Bottom
Where are the electrons located?
Electron Cloud
What charge does a neutron have?
Neutral, 0, no charge
How many protons does carbon (C) have?
6
What element in in group 1, period 5?
Rubidium (Rb)
Element, compound, or mixture? Water (H2O)
Compound
Where are the protons located?
Nucleus
What charge does a proton have?
Positive
What element is in group 17, period 2?
Fluorine (F)
How many neutrons does lithium (Li) have?
4 neutrons
What are two properties for sodium (Na)?
-metal
-solid
-11 protons
-11 electrons
-12 neutrons
What two subatomic particles are located in the nucleus?
Protons and neutrons
How do you find the number of neutrons?
Atomic Mass (Weight) - Atomic Number
How many neutrons does uranium (U) have?
146 neutrons
How do we know that magnesium (Mg) and calcium (Ca) have similar properties?
They are in the same group
What are two properties for the element Neon (Ne)?
Gas
Nonmetal