Show:
Atoms and Elements
Light and Energy
Electrons
Chemical Bonds
Periodic Table
100
How many protons does Oxygen have?
8 protons
100
Are energy levels closer to or farther from the nucleus lower energy?
closer to the nucleus = lower energy
100

What is the MAX number of electrons that can fit in one orbital?

2 electrons

100
Metals and nonmetals form molecules through _________ bonds.
Ionic
100

The periodic table is arranged by ...

the atomic number
200
Which atomic particles are included when calculating atomic mass?
Protons and Neutrons
200
What happens to electrons as an atom absorbs energy?
They go from the ground state to an excited state.
200

What ion  (X exp-2) has the configuration 1s2, 2s2,2p6?

What is oxide, (O2-)?

200

Why do bonds form?

So atoms can fill their outermost electron shells.

200
Elements in the same ____?_____ behave similarly based on their number of valence electrons.
GROUP
300

What elements are diatomic?

Br2, I2, N2,Cl2,H2,O2,F2

300
What happens when electrons return to their original energy level?
they let off light
300
Draw the Lewis Dot structure for magnesium
. Mg .
300

What kind of bond does CO2 have?

Covalent Bond

300
Elements in groups _____ and _____ contain the most reactive elements on the periodic table.
1 and 7
400
Some elements come in different forms which have different masses. What are these forms called and how did they get different masses?
Isotopes have varying numbers of neutrons.
400
Which colors of light in the visible electromagnetic spectrum have the least energy?
RED
400

What is the electron configuration for Ge, germanium?

1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p2

400

What kind of bond hold NaNO3 together?

Ionic Bonds

400
Where on the periodic table is the atomic radius the greatest?
Bottom Left
500

Ion Mg^2+  of M- 25 has how many protons, neutrons and electrons?

12 protons, 13 neutrons and 10 electrons

500
Red light has a longer wavelength that green light. Which light has a greater frequency?
Green
500

How many electrons in are in one row of F block?

14

500

What type of bonding holds a sulfate ion together?

covalent bonding

500
What is the MOST electronegative element on the periodic table?
Florine