The Periodic Table--Could it be any more awesome?!?!?

Question 1

Which group of elements is in order of increasing atomic radius?

Accepted Answer

O, S, Se, Te

Question 2

One of the most reactive nonmetals, reacts vigorously with metals to form salts, 7 valence e-

Accepted Answer

chlorine (Cl)

Question 3

In which group will you find the most electronegative elements?

Accepted Answer

halogens

Question 4

Which element is most similar in behavior to calcium, Ca?

Accepted Answer

magnesium, Mg

Question 5

Compared to the alkali metals, the alkaline earth metals are _____ reactive.

Accepted Answer

slightly less

Question 6

A brittle solid and valuable semiconductor. Found in digital watches, computers & smart phones

Accepted Answer

silicon (Si)

Question 7

Elements w/sim prop occurred @ regular intervals when the elements were arranged in increasing

Accepted Answer

atomic number

Question 8

Which group of the following elements has the lowest first ionization energies?

Accepted Answer

alkali metals

Question 9

Compared to alkali metals harder, denser and have a higher m.p; 2 reactive 2 be free in nature.

Accepted Answer

magnesium (Mg)

Question 10

Atomic radius can be best described as:

Accepted Answer

1/2 distance between nuclei of identical atoms bonded 2gethr

Question 11

In the same group, ionization energy decreases with increasing atomic number due to:

Accepted Answer

increase in e- shielding b/c outer e- are far from nucleus

Question 12

The energy required to remove an electron from a neutral atom is called:

Accepted Answer

ionization energy

Question 13

Measure of ability of an atom in a cmpd 2 attract electrons from another atom in the cmpd

Accepted Answer

electronegativity

Question 14

Soft, silvery, not found free in nature. Reacts violently with water, stored under kerosene.

Accepted Answer

potassium (K)

Question 15

Which of the following halogens has the highest electronegativity?

Accepted Answer

fluorine (F)

Question 16

Which has an ionic radius smaller than its atomic radius?

Accepted Answer

potassium, K

Question 17

A typical metal, shiny, malleable, ductile and a good conductor.

Accepted Answer

iron (Fe)

Question 18

Has 8 valence electrons and is chemically unreactive

Accepted Answer

neon (Ne)

Question 19

The best reason for atomic radii becoming smaller from left to right across a period

Accepted Answer

increasing nuclear charge

Question 20

Which group of elements have full outer energy levels when they are in the ground state?

Accepted Answer

noble gases

Question 21

Which of the following is a transition element?

Accepted Answer

iron, Fe

Question 22

Elements in the same family have similar properties because they all:

Accepted Answer

have the same # of valence electrons

Question 23

Which forms an ion larger than its parent atom?

Accepted Answer

bromine, Br

The Periodic Table--Could it be any more awesome?!?!?

Questions 23

The Periodic Table--Could it be any more awesome?!?!?

Questions 23