Unit 4 Test Review - PT & Bonding 2023

Which is true of an element that is in group 13 on the periodic table ?

• It has three valence electrons

• It is part of the Alkali Metal family

• All elements in this group have 3 electron orbits

• These elements are considered non-metals

Which element belongs to the most reactive family of metals, reacts violently with water, is solid at room temp, & has 4 energy levels?

• Potassium (K)
• Calcium (Ca)
• Rubidium (Rb)
• Bromine (Br)

Which family of elements are extremely reactive nonmetals with 7 valence electrons?

• Group 1 (alkali metals)

• Group 18 (noble gases)

• Group 17 (halogens)

• Group 2 (alkaline earth metals)

Which family of elements are inert (nonreactive) because they have a full energy level?

• Group 1 (alkali metals)

• Group 18 (noble gases)

• Group 17 (halogens)

• Group 2 (alkaline earth metals)

Which element has 2 energy levels & 4 valence electrons.

• Silicon (Si)
• Aluminum (Al)
• Nitrogen (N)
• Carbon (C)

Which part of the atom determines how an element interacts in a chemical reaction?

• nucleus

• protons

• all electrons

• valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements loses electrons in an ionic bond?

• N

  (5 V.E.)

• Ca

  (2 V.E.)

• O

  (6 V.E.)

• Cl

  (7 V.E.)

An element in Group 1 most easily forms an ionic bond with an element in which group? Hint: think about how many electrons are given away & how many are taken in.

• Group 2

• Group 15

• Group 16

• Group 17

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

Tags

NGSS.HS-PS1-8

Which group is known as the Alkali Metals?

• Group 1

• Group 2

• Group 16

• Group 18