wolfiestoneuwu wolfiestoneuwu

29-09-2020
Chemistry

contestada

An atom has a mass number of 9 and 5 neutrons What is its atomic number?
A. 14
B. 11
C. 19
D. 4

Respuesta :

29-09-2020

Answer:

D. 4

Explanation:

mass number - number of neutrons = number of protons

Answer Link

Otras preguntas

Which process increases the potential energy of the particles of a sample? (1) condensation (3) solidification (2) deposition (4) vaporization

The city of San Francisco reported more missing dogs the week before a massive earthquake than any other week of the year. Therefore, this is factual evidence t

The data set shows the ages of the members of a book club. What is the shape of the distribution of this data set? 19, 21, 18, 19, 16, 21, 20, 17, 16, 17, 20,

Which law best describes why the planets are pulled toward the Sun and orbit it? Newton's law of universal gravitation Kepler's law of ellipses Newton's 2nd law

Quinn spent $16.49 for 3 Magazineg and 4 Packs of stickers. The magazines Cos t $3.99 each and sales tax was 1.02. He .used a coupon for $1.50 off her purchase

Which composer believed that music is all too often treated as a "narcotic," something that dulls senses rather than arouses them?

Which law best describes why the planets are pulled toward the Sun and orbit it? Newton's law of universal gravitation Kepler's law of ellipses Newton's 2nd law

what is the respelling of words

Elements on the Periodic Table of the Elements are classified into categories such as 1) rocks and minerals 2) molecules and atoms 3) mixtures and compounds 4)

Describe the rise and achievements of significant rulers in medieval Europe.