Grade 8 Periodic table and bonding

Which two subatomic particles are found in the NUCLEUS of at atom?

• protons & nuetrons
• protons & electrons
• neutrons & electrons
• electrons & protons

Tags

NGSS.MS-PS1-1

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element

Nitrogen will form which of the following ions?

• N^-1

• N^-3

• N^-5

• N⁺⁵

Ionic bonds form between metals and ____.

• metalloids
• metals
• nonmetals

Why is this electron being transferred from lithium to fluorine?

• So they can both achieve a full out shell

• Because it wants to

• Because it is a right side electron

• Because it does not like lithium

Which of the following would produce a a negative ion?

• Ca

• Al

• K

• F

What does the group number tell us about the structure of an atom?

• Number of shells

• Number of electrons

• Number of electrons in the outer shell

• Number protons

What does the period number tell us about the structure of an atom?

• Number of shells

• Number of electrons

• Number of electrons in the outer shell

• Number protons

What ions will the movement of this electron create?

• Li+ and F+

• Li- and F+

• Li- and F-

• Li+ and F-

What is the electron configuration of potassium, K, which has an atomic number of 19

• 2,8,8,8

• 2,8,8,1

• 1,8,8,2

• 2,2,8,7