CP Chemistry Mid Term Review. What midterm grade do you expect? (be honest!) 1.A 2.B 3.C 4.D 5.F Response Grid.

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Presentation transcript:

CP Chemistry Mid Term Review

What midterm grade do you expect? (be honest!) 1.A 2.B 3.C 4.D 5.F Response Grid

1.Bohr 2.Thomson 3.Dalton 4.Avogadro The Atomic Theory of Matter was conceived by…

During Rutherford’s experiments, most of the particles… 1. Bounced back 2.Went straight through the foil 3.Were absorbed by the foil 4.Reacted with the foil

Which part of the atom is about 1/2000 the mass of a Hydrogen atom? 1.Electron 2.Neutron 3.Proton 4.nucleus

Protons within the nucleus are attracted to each other by… 1.Opposite charges 2.Their energy levels 3.Electron repulsion 4.Strong nuclear forces

The most common isotope of hydrogen has… 1.No neutrons 2.One neutron 3.Two neutrons 4.Three neutrons

The total number of protons and neutrons in the nucleus of an atom is the… 1.Atomic number 2.Avogadro number 3.Mass number 4.Average atomic mass

As the atomic number increases, the number of electrons in a neutral atom… 1.Increases 2.Decreases 3.Remains the same 4.Doubles

How The Class Compares… 500B 450F D C

Atoms of the same element can differ in… 1.Chemical Properties 2.Mass Number 3.Atomic Number 4.Number of protons and electrtons

The standard for determining atomic mass is… 1.H-1 atom 2.O-16 atom 3.C-14 atom 4.C-12 atom

The mass of 1 mol of chromium (atomic mass amu) is… 1.12 g g g x g.

Visible light, X-rays, IR and radio waves all have the same… 1.Energy 2.Wavelength 3.Frequency 4.Speed

The distance between two successive peaks on adjacent waves: 1.Frequency 2.Wavelength 3.Velocity 4.Energy

The energy of a photon is related to its… 1.Mass 2.Speed 3.Size 4.Frequency

How many orientations can an s orbital have about the nucleus?

The number of orbitals in the d sublevel is… 0 of 30 Countdown 10

If the third main energy level contains 15 electrons, how many more could it possibly hold?

How The Class Compares… 970B 950F 920C D

The statement that an electron occupies the lowest energy orbital available is which rule? 1.Hund 2.Aufbau 3.Pauli 4.Bohr

Mendeleev did not always list elements in his periodic table in order of increasing atomic mass because he grouped together elements with similar… 1.properties. 2.atomic numbers. 3.densities. 4.colors.

Argon, Krypton and Xenon are all… 1.Alkaline earth metals 2.Actinides 3.Noble gases 4.Transition metals

Which block do the actinide elements belong to? 1.d block 2.s block 3.p block 4.f block

The energy required to remove an electron from an atom is its… 1.Ionization energy 2.Electron affinity 3.Electronegativity 4.Electron energy

For each successive electron removed from an atom, the ionization energy… 1.increases. 2.decreases. 3.remains the same. 4.shows no pattern.

If two covalently bonded atoms are identical, the bond is… 1.Nonpolar 2.Polar 3.Ionic 4.Dipole

The ions in most ionic compounds are organized into a… 1.Molecule 2.Lewis structure 3.Polyatomic ion 4.Crystal

How The Class Compares… B C D 1200F

If the lattice energy of compound A is greater than that of compound B… 1.compound A is not an ionic compound. 2.the bonds in compound A are stronger than the bonds in compound B. 3.compound B is probably a gas. 4.compound A has larger crystals than compound B.

Compared with molecular bonds, the strength of intermolecular forces is: 1.Weaker 2.Stronger 3.About the same 4.Comparable

Name the compound SO 3 : 1.Silver oxide 2.Silver trioxide 3.Sulfur trioxide 4.Sodium trioxide

The molar mass of MgI 2 is the sum of the masses of… 1.1 mol of Mg and 2 mol of I. 2.1 mol of Mg and 1 mol of I. 3.1 atom of Mg and 2 atoms of I. 4.1 atom of Mg and 1 atom of I.

Forces holding particles together are strongest in: 1.Solids 2.Liquids 3.Gases 4.Plasma

Alpha particles are… 1.Electrons 2.Protons 3.Electromagnetic waves 4.Helium nuclei

The group of soft, silvery, reactive metals, all of which have one electron in an s orbital, is known as the… 1.alkaline-earth metals. 2.transition metals. 3.alkali metals. 4.metalloids.

How The Class Compares… B C D 1400F