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
Ksju [112]
2 years ago
6

I just need the right answer plz

Chemistry
1 answer:
astraxan [27]2 years ago
5 0

Answer:

-0.5

Explanation:

You might be interested in
An atom of Fe has 30 neutrons. What is the mass number of this atom?
SVETLANKA909090 [29]

Answer:

56

Explanation:

The mass number of an atom is a sum of its number of protons and neutrons. Iron (Fe) has an atomic number of 26. This means that it has 26 protons. Since we know it has 26 protons and are told it has 30 neutrons. The mass number of this atom of Iron is 26+30 = 56

Hope this helped!

7 0
3 years ago
Susanna was hiking in the mountains, and she discovered an interesting, shiny rock. She wondered if this sample was actually a r
Zigmanuir [339]

Answer:

Yes it is a mineral

Explanation:

Susanna has found a mineral because the five characteristics of a mineral are naturally occurring solid, crystal structure, forms by inorganic process, and definite chemical composition. Everything that was listed in the question describes the fact that its a mineral.

Brainliest would be appreciated :)

7 0
2 years ago
Where did the longest tsunami form?
max2010maxim [7]
July 9, 1958: in Lituya Bay<span>, Alaska was caused by a landslide triggered by an 8.3 magnitude earthquake.</span>
8 0
2 years ago
Read 2 more answers
Some one please help me ​
Norma-Jean [14]

Answer:

C.4

Explanation:

6 0
3 years ago
Differentiate between <br>Halogens and insert gases​
jasenka [17]

Answer:

An inert gas is one that does not undergo chemical reactions

Noble gases refers to the right most group of the periodic table composed of helium, neon, argon, krypton, xenon, and radon. As you might have seen as an example in class, some noble gases can form chemical compounds, such as XeF4.

or to say:

Halogens and noble gases are two different groups of elements that can be seen on the periodic table. Halogens are found in group 17 and include fluorine, chlorine, bromine, iodine and astatine. Noble gases make up group 18, and include helium, neon, argon, krypton, xenon and radon.

6 0
3 years ago
Other questions:
  • How many times greater is one gallon than one quart
    13·1 answer
  • when fully inflated a hot air balloon has a volume of 1.6 *10^5 L ( liter) an average temperature of 373k and 0 967 atm . 1) Ass
    13·2 answers
  • If there are 4 grams of reactant, how many grams of product are produced by the chemical reaction? A) 0 grams B) 2 grams C) 4 gr
    15·2 answers
  • What does variable mean in a science project.
    8·2 answers
  • Consider the chart describing the element. According to the chart, the element is _______ with an atomic number of ___________.
    13·1 answer
  • Match the following chemical reactions:
    14·1 answer
  • Steven had a sample of ethanol and wanted to see if it would boil at the temperature found in his textbook. His experiment yield
    6·1 answer
  • When is evaporation used
    14·2 answers
  • Which one of these in not a principle of cell theory
    9·1 answer
  • Brian is making a cake for his friend's birthday. He combines the ingredients for the cake and then pours the batter into two pa
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!