What is the center of the atom called?
Nucleus
Is the following atom an ion? If so, what is it's charge?
14 protons
13 electrons?
Yes
Positive
Where are valence electrons located?
Outermost shell
Are carbon-12 and carbon-14 isotopes?
Yes
What particle has a negative charge?
Electron
What charge is a cation?
Positive
How many valence electrons does a neutral atom of silicon have?
4
What makes isotopes different from each other?
A. Number of protons
B. Number of neutrons
C. Number of electrons
D. Huh?
B
What particle has a neutral charge?
Neutron
What charge is an anion?
Negative
How many valence electrons does a neutral atom of Polonium have?
6
What element is atomic number 80?
How many protons does Aluminum-27 have?
13
Does an anion gain electrons or lose electrons?
Gain
How many valence electrons does a fluorine atom with a charge of 1- have?
8
Who won the 1997 Heisman Trophy?
Charles Woodson
What particle determines the element's identity?
Proton
If magnesium loses two electrons, what is its charge?
2+
How many valence electrons does an atom of Lithium with a charge of 1+ have?
2
Who is the best teacher in the school?
Ms. Ortiz