GA S8P1e: Exploring Atoms and the Periodic Table

What is the charge of a proton?

• Negative

• Positive

• Neutral

• Variable

Tags

NGSS.MS-PS2-3

Which subatomic particle is found in the nucleus of an atom along with protons?

• Electrons

• Neutrons

• Positrons

• Photons

Identify the element with the atomic number 6 on the periodic table.

• Oxygen

• Nitrogen

• Carbon

• Helium

Explain why elements in the same group of the periodic table have similar chemical properties.

• They have the same number of protons.

• They have the same number of valence electrons.

• They have the same atomic mass.

• They have the same number of neutrons.

How does the atomic number of an element determine its position in the periodic table?

• It determines the element's group.

• It determines the element's period.

• It determines the element's block.

• It determines the element's row.

Olivia is learning about elements in her science class. She wants to know the relationship between the number of protons and the identity of an element.

• The number of protons determines the element's mass.

• The number of protons determines the element's charge.

• The number of protons determines the element's identity.

• The number of protons determines the element's volume.

Charlotte and Benjamin are discussing the reactivity of elements based on their position in the periodic table. Predict the reactivity of an element based on its position.

• Elements in the middle of a period are most reactive.

• Elements in the same group have similar reactivity.

• Elements in the same period have similar reactivity.

• Elements in the last group are most reactive.

How do the properties of metals and nonmetals differ based on their position in the periodic table?

• Metals are found on the right side, nonmetals on the left.

• Metals are found in the center, and nonmetals on the edges.

• Metals are found on the left side, and nonmetals on the right.

• Metals and nonmetals are randomly distributed.

What is the significance of the periodic table's group number for an element?

• It indicates the number of protons.

• It indicates the number of neutrons.

• It indicates the number of valence electrons.

• It indicates the atomic mass.

Compare the electron configurations of elements in the same period.

• They have the same number of electrons.

• They have the same number of electron shells.

• They have the same number of valence electrons.

• They have the same atomic number.

Tags

NGSS.HS-PS1-1