1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
musickatia [10]
3 years ago
11

A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have?

Chemistry
2 answers:
kodGreya [7K]3 years ago
8 0
The answer is 5 subtract it
goldfiish [28.3K]3 years ago
7 0

To find the number of electrons, just subtract the amu and the atomic number (aka number of protons or electrons)...

so it is...

9-4=5 neutrons

Brainliest plz! :)

You might be interested in
What was Anton van Lee
solniwko [45]

I would say the answer is A.

5 0
3 years ago
WHAT IS AN Ionic bond​
lidiya [134]

{\orange { \mathbb{ \huge{QUESTION}}}}

WHAT IS AN IONIC BOND

\huge\boxed{\fcolorbox{red}{blue}{ ANSWER }}

\orange{\underline{\huge{\bold{\textit{\green{\bf{Ionic \:Bond}}}}}}}

kossel explained that inert gases r inert due to the electronic configuration which contains 8 electrons in their outermost shell

And other elements loss and gain electrons to form ions and to have electronic configuration same as Noble gas and to get stable

Hope\: it \:is\: helpful

Mark \:as\: the\: brainlist\: ans\: with \:thanks...

#SARDAR JI.

6 0
3 years ago
Read 2 more answers
BJECTIVE TYPE QUESTIONS
8090 [49]

Answer:

1.Physical change

2. Chemical change

3. Heat

4.photosynthesis

5. composition

4 0
2 years ago
Which skeleton equation represents a neutralization reaction? Mg + O2 MgO AlCl3 Al + Cl2 Li + HNO3 H2 + LiNO3 HBr + LiOH LiBr +
creativ13 [48]
Neutralization reaction is the reaction between acid and base.
There the neutralization reaction is:

HBr + LiOH ----------> LiBr + H2O.

Hope this helps!
5 0
2 years ago
Read 2 more answers
Pamela wants to learn more about the career preferences of students in her school. She interviews a number of students from the
Viktor [21]
It is too early for students to have career preferences while still in school

(i believe) <span />
4 0
3 years ago
Other questions:
  • Juan inflates a balloon and then releases its end to let the balloon go free as air comes out. The balloon then flies around the
    9·2 answers
  • When 10.0 g of lead are heated with 1.6 g of sulfur, 11.6 g of lead sulfide are formed. how many grams of lead sulfide form when
    7·1 answer
  • List the 5 chemicals with the highest flash point. (In order, staring with the highest)
    5·1 answer
  • Which statement below best describes the relationship of the reaction below?
    5·2 answers
  • Which type of bond is between magnesium and oxygen?
    7·2 answers
  • Iron forms a series of compounds of the type Fex(CO)y. In air, they are oxidized to Fe2O3and CO2gas. After heating a 0.142 g sam
    7·1 answer
  • What is th correct chemical symbol for nitrogen​
    14·2 answers
  • 1. The calendar below shows a sample month of the year. Suppose that you see a full moon on the first day of this month.
    15·1 answer
  • A sample of gas isolated from unrefined petroleum contains 90.0% CH4, 8.9% C2H6, and 1.1% C3H8 at a total pressure of 3.34 atm.
    5·1 answer
  • In chromatography why is it important to remove the strip of paper until it reaches the end​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!