Periodic table Study Set

Which of these elements is the most reactive?

• neon

• potassium

• argon

• magnesium

What is expected to be similar among elements in the same group or column in the periodic table?

• atomic masses

• atomic numbers

• chemical properties

• numbers of neutrons

Which section of the periodic table contains elements like sulfur and nitrogen, which are also poor conductors of electricity?

• halogens

• metalloids

• nonmetals

• noble gases

Which element is located directly to the left of the highlighted element in the periodic table?

• Sodium (Na)

• Magnesium (Mg)

• Potassium (K)

• Calcium (Ca)

Which of the following best describes a typical characteristic of magnesium?

• It is a noble gas

• It easily loses two electrons to form a positive ion

• It is a nonmetal

• It is a gas at room temperature

Which two elements form ions with the same charge as calcium ions?

• Magnesium (Mg) and Barium (Ba)

• Oxygen (O) and Sodium (Na)

• Potassium (K) and Fluorine (F)

• Hydrogen (H) and Neon (Ne)

Which of the following elements is also a member of the same group as magnesium and calcium, and what is a typical property of this group?

• Sodium; they are all alkali metals

• Strontium; they are all alkaline earth metals

• Chlorine; they are all halogens

• Argon; they are all noble gases

Why do elements like magnesium, calcium, and strontium commonly form ions with a +2 charge?

• They have two protons in their nuclei

• They gain two electrons to achieve stability

• They lose two electrons from their outermost shell to achieve a stable electron configuration

• They are all nonmetals

Which state of matter do most metals exist in at room temperature?

• gas

• liquid

• solid

• plasma

Which element has the atomic number 2?

• Helium

• Hydrogen

• Lithium

• Oxygen

Tags

NGSS.MS-PS1-1