IPC Final Review: Chemistry Portion 5-17-22

What part of the Periodic Table can be used to determine the number of protons present in an element?

• Group

• Period

• Symbol

• Atomic Number

What pair of elements is most likely to form a metallic bond?

• Calcium and selenium

• Lithium and oxygen

• Magnesium and zinc

• Sodium and arsenic

What pair of elements is most likely to form a covalent bond?

• Beryllium and flourine

• Carbon and sulfur

• Strontium and iodine

• Potassium and selenium

Which statement best describes the structure of water and its nature as a solvent?

• The water molecule is polar and will dissolve polar molecules, such as sugar.

• The water molecule is polar and will not dissolve ionic compounds, such as salt.

• The water molecule is nonpolar and will dissolve polar molecules, such as vinegar.

• The water molecule is nonpolar and will dissolve nonpolar molecules, such as oil.

According to the graph and rules of solubility above, temperature affects the solubility of which salt the most?

• NaCl

• NaNO₃

• KNO₃

• It affects NaNO₃ and KNO₃ equally.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Compared to the particles in a gas, the particles in a solid move —

• at the same speed as the gas

• slower than the gas

• quicker and farther than the gas

• quicker than the gas

Tags

NGSS.MS-PS1-4

Which of the following best explains why the noble gases are less likely to chemically bond with other elements?

• They are all non-metals.

• They are all rare elements.

• They all have a full outer shell of electrons.

• They have the highest atomic number in the row.

The table in the image lists the densities of five metals. According to the Comparing Densities of Metals table above, all of the following metals will float in mercury except —

• copper

• gold

• silver

• palladium

Tags

NGSS.MS-PS1-2

Groups on the Periodic Table contain elements with similar chemical properties and reactivity because -

• they have the same number of valence electrons

• they contain similar amounts of energy

• their preference is to have full or empty valence shells

• they have the same numbers of isotopes

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What part of the Periodic Table can be used to determine the number of valence electrons most likely present in an element?

• Group

• Period

• Symbol

• Atomic Number