What atomic particle(s) will you find in the nucleus of an atom?
Protons and Neutrons
125cm to mm
1250mm
2 atoms.
1 hydrogen
1 chlorine
What are the rows on the periodic table called?
periods
How many protons are in Lithium?
AN=3
3
What gets shared between atoms during a chemical reaction?
Electrons
3,000g to kg
3kg
What is the mass of H₂O₂ ?
Hydrogen= 1 x 2= 2
Oxygen= 16 x 2= 32
Total: 34 amu
what are the columns on the periodic table called?
groups
How many protons and neutrons are in Krypton?
AN= 36
AM= 84
P= 36
N= 48
Where are electrons found in an atomic structure?
Electron Cloud
250mL to L
2.5L
How many atoms are in one molecule of C4H10
14 atoms
4 carbon
10 hydrogen
How are elements sorted into families on the periodic table?
by chemical and physical properties?
How many Protons, neutrons and electrons are in Neon in its neutral form?
AN= 10
AM= 20
p= 10
n= 10
e= 10
How many electrons fit in the first ring of the electron cloud?
2
67890 cm to km
0.67890 km
What is the mass of this chemical compound?
CaCO3
Calcium= 40
Carbon= 12
Oxygen= 16 x 3= 48
Total: 100 amu
What are the three main element families on the periodic table?
metal
nonmetal
metalloid
What is the charge for Lithium?
AN= 3
AM= 7
+1
How many electrons can fit MAXIMUM in the third ring of the electron cloud?
18
45,000 cm= _________________________km
0.45 km
What is the mass of one molecule of C ₁₂H ₂₂O ₁₁
Carbon= 12x 12= 144
Hydrogen= 1 x 22= 22
Oxygen= 16 x 11= 176
Total: 342 amu
List one physical property of metals and one physical property o nonmetals
answers will vary but may include
metal: shiny, dense, solid, high boiling/melting point, high pitched noise
nonmetal: dull, less dense, liquid/gas, low melting/boiling point
How many electrons is Nitrogen going to have in its ionic state with a charge of -3?
10 electrons