Chemistry test-pt trends distance

The frequency of light given off by this green flame is A. greater than orange B. equal to orange C. less than orange

A. greater than orange

Which element has the highest first ionization energy? Which element has the highest first ionization energy? A. Ne B. F C. Be D. Li

a.ne

Compared to a neon atom, a helium atom has a A. greater number of electrons B. smaller radius C. smaller first ionization energy D. larger atomic number

B.smaller radius

Which of these has the smallest atomic radius?

Br

If you were to draw a Bohr model of zinc, how many electrons would you have on the 4th energy level? A. 18 B. 30 C. 2 D. 36

C. 2

If you were to draw a Bohr model of zinc, how many electrons would you have on the 4th energy level? A. 36 B. 30 C. 2 D. 18

C. 2

What is the total number of valence electrons in an atom with a total of 13 protons? A. 2 B. 1 C. 3 D. 4

C. 3

Which of the following is the atomic number of an alkali metal? A. 11 B. 13 C. 12 D. 10

A. 11

What is the maximum number of electrons found in the 4th energy level? A. 32 B. 64 C. 18 D. 8

A. 32

In which period of the Periodic Table do the transition metals begin? A. 4 B. 2 C. 3 D. 1

A. 4

Put in order of increasing electronegativity: Cl, Se, As, Bi A. B i, As, Se, Cl B. Bi, Se, As, Cl C. Cl, Se, As, Bi D. Cl, As, Se, Bi

A. B i, As, Se, Cl

The electronegativity ___ as you move down a group. A. Decreases B. Increases C. Stays the same

A. Decreases

The violet flame shown here has energy that is___than the orange flame A. Greater than B. less than C. equal to

A. Greater than

Ionization energy___across a period A. Increases B. Decreases C. Stays the same

A. Increases

Which of the following elements have properties similar to that of aluminum? (Choose ALL that apply) A. Indium B. Boron C. Silicon D. Phosphorous

A. Indium B. Boron

How does the size of an aluminum atom change when it becomes an ion with a charge of +3? A. It becomes smaller by losing 3 electrons. B. It becomes larger by losing 3 electrons. C. It becomes smaller by gaining 3 electrons. D. It gets larger by gaining 3 electrons.

A. It becomes smaller by losing 3 electrons.

Which scientist is credited for writing the Modern Periodic Law? A. Mosely B. Mendeleev C. Doberiener D. Bohr

A. Mosely

Assuming this atom is neutral, the Bohr model represents which element? A. Oxygen B. Lithium C. Beryllium D. Carbon

A. Oxygen

Which of the following is a metalloid? A. Silicon B. Lead C. Mercury D. Chlorine

A. Silicon

Compared to the atomic radius of a sodium atom, the atomic radius of a magnesium atom is smaller. The smaller radius is primarily a result of the magnesium atom having A. a larger nuclear charge B. a smaller nuclear charge C. fewer energy levels D. more energy levels

A. a larger nuclear charge

What group in the Periodic Table contains the elements of the alkaline earth family? A. 1 B. 2 C. 17 (7A) D. 18 (8A)

B. 2

This is a Bohr model of A. Chlorine - 17 B. Chlorine - 35 C. Bromine - 35 D. Chlorine - 18

B. Chlorine - 35

Negative ions are A. Smaller than the atoms that form them B. Larger than the atoms that form them C. The same size as the atoms that form them

B. Larger than the atoms that form them

Which of the following is a metal? A. Si B. Li C. Xe D. S

B. Li

Which of these has the lowest amount of energy? A. Infra red B. Radio waves C. Red light D. Microwaves

B. Radio waves

Which wave has the greatest frequency? A. Both waves have equal frequency B. The wave on the bottom C. The wave on the top

B. The wave on the bottom

Which of these would have the greatest energy? A. Infra red B. X-ray C. Ultra violet D. Violet light

B. X-ray

As a sulfur atom gains electrons its radius A. decreases B. increases C. remains the same

B. increases

As the color on the visible light spectrum changes from red to violet, the frequency A. decreases B. increases C. stays the same

B. increases

The amount of energy required to remove the most loosely bound electron from an atom is called A. potential energy B. ionization energy C. electron affinity D. kinetic energy

B. ionization energy

Mendeleev arranged the elements by increasing atomic A. number B. mass C. theory

B. mass

The elements of Period 2 have the same A. number of valence electrons B. number of occupied energy levels C. atomic number D. atomic mass

B. number of occupied energy levels

Which flame color shows the least energy drop by the electrons? A. yellow B. red C. violet D. green

B. red

Which sequence of elements is arranged in order of decreasing atomic radii? A. Li, Na, K B. N, C, B C. Al, Si, P D. Cl, Br, I

C. Al, Si, P

Which of the following of a member of the halogen family? A. Mg B. S C. Br D. Cu

C. Br

How are frequency and energy related? A. Inversely B. No relationship C. Directly

C. Directly

An atom of which element has the greatest ability to attract electrons? A. Oxygen B. Sulfur C. Fluorine D. Silicon

C. Fluorine

As the wavelength of a wave increases, the frequency, A. increase B. stays the same C. decreases

C. decreases

Compared to visible light, ultraviolet radiation is more harmful to human skin and eyes because ultraviolet radiation has a A. longer period B. longer wavelength C. higher frequency D. higher speed

C. higher frequency

As the energy of a wave increases, its speed A. increase B. decreases C. stays the same

C. stays the same

On this wave, how many complete wave cycles are shown? A. 1 B. 2 C.3 D. 4

C.3

Nobel gases with the exception of helium have _____ valence electrons. A. 2 B. 4 C .8 D. 6

C.8

The octet rule states that A. All atoms have 8 electrons in their valence B. All atoms have 8 electrons in their outermost energy level C. Atoms with 8 electrons in their valence are stable D. Atoms will gain or lose electrons to form compounds

C.Atoms with 8 electrons in their valence are stable

When electrons in an atom in an excited state fall to lower energy levels, energy is A. absorbed, only B. both released and absorbed C .neither released nor absorbed D .released, only

D .released, only

According to the Bohr model, how many energy levels contain electrons for an atom of neutral Silicon at ground state? A. 0 B. 1 C. 2 D. 3 E. 4

D. 3

Nobel gases with the exception of helium have _____ valence electrons. A. 2 B. 4 C. 6 D. 8

D. 8

The atoms of which element require the greatest amount of energy to remove an electron? A. Boron B. Nitrogen C. Oxygen D. Neon

D. Neon

Which of these has the greater frequency? A. Microwaves B. Infra red C. Radio D. Yellow light

D. Yellow light

The term "electron cloud" refers to the A. negatively charged cloud that can produce a lightning strike B. cathode rays in a gas discharge tube C. electron plasma surrounding a hot wire D. high-probability region for an electron in an atom

D. high-probability region for an electron in an atom