tamya12234 tamya12234

12-09-2018
Physics

contestada

An element has 4 protons, 5 neutrons, and 4 electrons. What is the atomic mass of the element? 4 5 8 9

Respuesta :

arthurpdc arthurpdc

12-09-2018

The atomic mass is equal to the sum of the number of protons and neutrons. Then, it is [tex]p+n = 4+5=9[/tex].

Hence, the answer is 9.

Answer Link

plushdna plushdna

01-03-2019

Name: Beryllium

Atomic Mass: 9.012 atomic mass units

Number of Protons: 4

Number of Neutrons: 5

Number of Electrons: 4

hope it helps

-Plushdna

Answer Link

Otras preguntas

AC = BC, CP = CQ and <BPQ = 20°<ACP = ?°

The Iraq War is a subject of much debate. In the the space below, construct a claim that supports or refutes the decision to invade Iraq. Your claim should be a

The question is in the image below

Continuation 4. The results in the English Language for the Senior High Schools are often bad. 5. The guests were served a palatable meal at the wedding party

Pls help I’ll give a lot of points

Help me PLEASE!!! Using the map, what geographical feature do you think most helped the spread of Christianity?

The length of adult parakeets is normally distributed. If the mean length is 8 inches with a standard deviation of 0.25 inches, what is the probability that a r

The temperature of a cup of coffee varies according to Newton's Law of Cooling: dT dt equals negative k times the quantity T minus A, where T is the temperature

SV is a midsegment of △RTU. If TU=y+38 and SV=y–9, what is the value of y?

Pls provide work to go along with the answers