Understanding Atomic Structure and Properties

Which option below is the most accurate description of where electrons are located in an atom?

• In specific paths around the nucleus

• Around the nucleus in a cloud

• Inside the nucleus

• As far from the nucleus as possible

Select all of the parts of an atom below:

• Protons

• Neutrons

• Isotopes

• Electrons

• Ions

Tags

NGSS.MS-PS1-1

Rubidium is in Group 1. Which other elements would have properties similar to Rubidium?

• B and C

• He and Ar

• Ar and Si

• Na and K

Group 2 elements like (Mg) Magnesium would be classified as:

• A metal with 2 valence electrons

• A metal with 3 valence electrons

• Non metal with 2 valence electrons

• Non metal with 3 valence electrons

Which group on the table contains non reactive gases?

• Group 1

• Group 17

• Group 2

• Group 18

Reorder the following in terms of increasing Kinetic Energy

• Gas

• Solid

• Liquid

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Elements are organized on the Periodic table in order of:

• Increasing atomic number

• Increasing atomic mass

• Increasing number of neutrons

• Number of electrons plus protons

(Ca) Calcium in in group 2. To find an element with similar properties the student should look on the periodic table for an element

• In the same period

• In the same group

• With the same net charge

• With similar atomic mass

Metals are found here on the periodic table

• left of the staircase

• right of the staircase

• on the staircase

• left and right of the staircase

For the element with atomic number 13, which statement is true?

• The atom has 13 neutrons

• The atomic has a mass of 13

• The atom has 13 protons

• The atom has 26 Protons and neutrons