Questions LLC
Login
or
Sign Up
Ask a New Question
Chemistry
Atomic Structure
Protons
An atom of barium (Ba) has
protons
9 answers
56 protons.
how many nuetrons
An atom of barium (Ba) has 81 neutrons.
how many electrons
An atom of barium (Ba) has 56 electrons.
how many energy levels
An atom of barium (Ba) has five energy levels.
how many valence electrons
An atom of barium (Ba) has two valence electrons.
You can
ask a new question
or
answer this question
.
Related Questions
3. The atomic number on the periodic table refers to the number of _____ within an atom.(1 point)
Responses protons or electrons
An atom has 17 electrons, 17 protons, and 18 neutrons.
What is false about this atom. •A. The atomic number of this atom is 18.
Using the information from the Periodic Table of Elements, identify the correct numbers of subatomic particles for one atom of
1. An atom has 3 protons, 4 neutrons, and 3 electrons. Use the periodic table to determine which atom would have similar
Video Question #4 Strong force occurs because neutrons work to keep protons in place inside the nucleus of an atom so the
The radius of a barium atom is 217 pm. How many barium atoms would have to be laid side by side to span a distance of 4.33 mm?
The center of an atom is called the nucleus. The nucleus is made up of particles called and neutrons. spin around the nucleus in
Which of the following does the atomic number of an atom or element represent?
* The number of protons in the atom The number of
Use the simulation to answer the question.
Build an Atom On the home screen, select “Atom.” Using as many electrons,
In order for an atom to be considered "neutral", which of the following must be true?
a The number of protons and neutrons must
