Atomic Structure
Protons and ____________ are found in the ___________.
neutrons, nucleus
Write the formula the following two elements form: Sodium and fluorine
NaF
What is the name for a small group of elements that have an overall charge?
Polyatomic Ion
Name the following: CS2
carbon disulfide
Acids taste ________, while bases taste _________.
Sour, bitter
Elements in the first period can have a maximum of 2 of these:
Electrons
Write the formula the following two elements form: Magnesium and Chlorine
MgCl2
Name the following: (NH4)2S
Ammonium Sulfide
Write the formula for: dinitrogen tetroxide
N2O4
When an base is placed in water , these ions are produced: _____
OH- or hydroxide ions
Elements in the 3rd period can have a maximum of 8 of these.
Write the formula the following two elements form: Scandium and Oxygen
Sc2O3
Write the formula when the following combine: Calcium and Chlorate
Ca(ClO3)2
Draw a Lewis-dot diagram to show how dihydrogen monoxide forms.
..
H : O : H
..
Is a pH of 6 acidic or basic?
Acidic
The atomic number.
Write the formula the following two elements form: Barium and Oxygen
BaO
Write the formula for Ammonium Hydroxide
NH4(OH)
List the diatomic elements that forms gases with the general formula X2
H O F Br I N Cl
How many times more basic is a pH of 9 vs 7?
100x
The sum of the number of neutrons PLUS the number of protons equals this:__________
Atomic Mass
Write the formula the following two elements form: Copper (I) and Nitrogen
Cu3N
MgCrO4
Draw the Lewis-dot diagram to show how O2 gas forms.
.. ..
O :: O
.. ..
Ionic salt and water