Elements Answers

0 verified answers
1
Free Preview

If we have a sample of silicon (Si) atoms that has 14 protons, 14 electrons, and 18 neutrons

A
silicon-14
B
silicon-32
C
silicon-46
D
silicon-153
2
Free Preview

One way in which elements differ from each other is the structure of the electron cloud in each element’s atoms. In an electron cloud, an electron that is farther away from the nucleus has

A
a greater charge than an electron near the nucleus.
B
a smaller charge than an electron near the nucleus
C
a higher energy than an electron near the nucleus.
D
a lower energy than an electron near the nucleus.
3

Scientists are working with a liquid that is made of only one type of atom. Which statement correctly describes this liquid?

A
The liquid contains only one compound.
B
The liquid contains only one element.
C
The liquid contains only neutral electrons.
D
The liquid can be broken down into simpler substances.
4

Which describes an atom that has fewer neutrons than protons and more electrons than protons?

A
negative compound
B
positive compound
C
positive ion
D
negative ion

Did you find these answers helpful?