Question 1 (1 point) An element in Group 2 of the periodic table likely has which characteristics?

Question 1 options:

shiny solid, conducts heat and electricity, easily bends

shiny solid, does not conduct heat but does conduct electricity, crumbles easily

dull solid, does not conduct heat or electricity, does not bond with other atoms

gas, does not conduct heat or electricity, easily bonds with other atoms

Question 2 (1 point)
Which two elements, in looking at their atoms, have a total of 51 protons between them?

Question 2 options:

Magnesium and Aluminum

Lithium and Scandium

Tin and Hydrogen

both A and B

Question 3 (1 point)
Which of the following is an accurate description of a neutral potassium (K) atom?

Question 3 options:

19 particles in the nucleus and 39 particles outside the nucleus

39 particles in the nucleus and 19 particles outside the nucleus

19 particles in the nucleus and 20 particles outside the nucleus

39 particles in the nucleus and NO particles outside the nucleus

Question 4 (1 point)
Which of the following is an example of a chemical change?

Question 4 options:

a rock being crushed into pieces by a hammer

a rock becoming smaller over time due to wind

a rock's appearance changing over time due to exposure to acid rain

all of the above

Question 5 (1 point)
Which of the following statements is correct?

Question 5 options:

Lithium is a metal, Titanium is a nonmetal

Magnesium and Helium are gases.

Copper and Argon conduct electricity,

Calcium is malleable, Sulfur is not malleable.