Atoms to Ions

Atoms to Ions

Difference between an atom and ion.

Multiple Choice

What is chromatography?

• a method for separating dissolved substances from one another.

• a method to separate two liquid of different boiling points.

• a method to separate a solid from a liquid.

Multiple Choice

Condensing is when...

• a liquid turns to a gas

• a liquid turns to a solid

• a gas turns to a liquid

Poll

Reactivity of group 7 does what as you move down the group?

• increases

• decreases

• stays the same

Multiple Choice

Centre means what in relation to the atom?

• contains the neutrons and electrons

• contains protons and electrons

• contains protons and neutrons

Multiple Choice

Nucleus means what in relation to atoms

• is the small, dense region consisting of protons and neutrons at the center of an atom

• is the small, dense region consisting of protons and electrons at the center of an atom

Multiple Choice

Protons have what charge?

• positive

• negative

• neutral

Multiple Choice

Electrons have what charge?

• positive

• negative

• neutral

Multiple Choice

Neutrons have what charge?

• positive

• negative

• neutral

Multiple Select

Which has a charge of nearly zero?

• electrons

• protons

• neutrons

Multiple Choice

Atomic number is always....

• the smallest number

• the largest number

Multiple Choice

Atomic mass is always....

• the smallest number

• the largest number

Multiple Choice

True or false -Ions are atoms which have gained or lost electrons

• True

• False

Multiple Choice

Positive ions have what?

• gained electrons

• lost electrons

Multiple Choice

Negative ions have what?

• gained electrons

• lost electrons

Multiple Choice

Positive ion have which sign next to the element symbol?

• -

• +

Multiple Select

Isotopes are the same element with different number of?

• protons

• neutrons

• electrons

Multiple Choice

Which changes in relation to isotopes?

• atomic mass

• atomic number

Multiple Select

Isotopes are the same element with different number of?

• protons

• neutrons

• electrons

Multiple Choice

When drawing electron structure, how many electron are allowed in the first shell?

• 4

• 2

• 8

Multiple Choice

When drawing electron structure, how many electron are allowed in the second shell?

• 4

• 2

• 8