chemistry revision

1-In which region of the periodic table would you find elements with similar outermost electron confiaurations?

• In the same group

• In the same period

• In the noble gases

• c In the transition metals

2-Which group of elements is characterized by having a completely filled outermost energy level (valence shell)?

• Alkali metals

• Halogens

• Noble gases

• Transition métals

4-As you move from left to right across a period, what generally happens to the atomic Radius

• a. It decreases

• increases

• Constant

7-What happens to the ionization energy as you move from left to right across a Period

• Increases

• Decreases

• Constant

8-According to the Kinetic Molecular Theory, an increase in temperature will result in:

• Slower particle motion

• No change in particle motion

• faster particle movement

10-According to the Kinetic Molecular Theory, the average kinetic energy of gas Particles are directly proportional to their:

• VolumeVolume

• Pressure

• Demsity

• Temperature

why do both atomic size and ionic size increase as you move down a group

• The number increases going down

• The number decreases going down

• X

15-Consider elements X and Y, where X has a completely filled valence shell, and Y has one valence electron. Compare their likely behavior in terms of reactivity and chemical bonding?

13-Why are the alkaline-earth metals less reactive than the alkali

metals?

• Alkaline earth are less reactive thank alkali because it takes more energy to remove 2 valence electrons than 1

• Alkali is less reactive

• They both have the same reactivity

15-Consider elements X and Y, where X has a completely filled valence shell, and Y has one valence electron. Compare their likely behavior in terms of reactivity and chemical bonding?

• X= reactive easily gain , y= not reactive full

• X= not reactive because is full and y= reactive because it can form bonds and it loses 1 electron

• Non of the above