1: Matter & Gas Laws
Which state of matter can change both its volume and shape?
Gas
What is the charge of a proton?
+1
Which family of elements is non-reactive?
Noble gases
What is one property of ionic substances?
high melting point
soluble in water
conductive when dissolved
not conductive when solid
brittle
How many significant digits are in 0.0007080900
7
What is the name of the gas law that describes the relationship between Pressure & Temperature?
Lussac's Law
Thomson's model includes which subatomic particle(s)?
electrons
What charge will an element have if it has lost 3 electrons?
3+
What charge does iron have in iron (III) oxide?
3+
Convert 357 km to m
357,000 m
How many meters are in a kilometer?
1000
This experiment led to the discovery of the nucleus
Gold Foil Experiment
Write the noble gas electron configuration for Germanium.
[Ar] 4s2 3d10 4p2
What type of alloy will form between Titanium and Chromium
substitutional
4.60 x 10-3
One assumption of KMT is that gas particles are in constant, random motion. State one other assumption of KMT.
2. The volume of the particles is negligible compared to the volume of the gas.
3. The kinetic energy of the gas is dependent only on temperature.
4. Gas particles move in a straight line until they collide with something.
5. Gas particles are not attracted to each other or the container.
Complete the sentence:
X-rays have greater _________ than ultraviolet radiation.
frequency or energy
Why does electronegativity increase from left to right across the periodic table?
Increasing effective nuclear charge (Zeff)
What is the name of NaHCO3
sodium bicarbonate
Calculate the temperature of 3.26 moles of gas in Kelvin if its pressure is 2.70 atm and its volume is 0.80 L.
8.1 K
At higher altitudes, there are colder temperatures and lower atmospheric pressure. As a balloon rises into the atmosphere, it's volume increases. Which is having a greater effect on the balloon: the pressure or the temperature?
Pressure
How many electrons are on the 4n energy level for the element Indium.
18 electrons
Calculate the average atomic mass of a sample of hydrogen that is 47.00% Hydrogen-1 (1.008 amu) and 53.00% Hydrogen-2 (2.014).
1.541 amu
Write the chemical formula for the compound formed between calcium and chlorine.
CaCl2
Calculate the wavelength of light in meters that has an energy of 2.76 x 10-19 J.
7.20 x 10-7 M