answer 1-3
Question 1 (1 point)
For an object to remain at rest, which of the following must be true?
Question 1 options:
The forces on it are balanced.
There is no friction.
Gravity does not act on it.
The object has no mass.
Question 2 (1 point)
Which particles would you find in the nucleus of an atom?
Question 2 options:
Neutrons and electrons
Electrons only
Electrons and protons
Protons and neutrons
Question 3 (1 point)
A chemical formula is shown. The subscripts in a chemical formula represent the –
Question 3 options:
atomic mass of the heaviest element in the compound.
number of atoms of the element in front of the subscript.
atomic number of the element that follows the subscript.
column on the Periodic Table of the element next to it.
Answer 1: The forces on it are balanced.
Answer 2: Protons and neutrons.
Answer 3: number of atoms of the element in front of the subscript.