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
kow [346]
3 years ago
6

The table below shows a list of radioisotopes and their half-lives.

Chemistry
2 answers:
omeli [17]3 years ago
6 0

Answer: D: plutonium-239

Explanation: Got it right on the quiz

inn [45]3 years ago
5 0

Answer:

d. plutonium-239

Explanation:

i made a 100

creds to the other person<3

You might be interested in
Which event is an example of melting?
avanturin [10]

Answer:

A. Wax drips down the side of a lot candle.

Explanation:

The chemical change from solid to liquid. This is a combustion reaction, so carbon dioxide gas and water vapour is also produced but you can't see them

8 0
3 years ago
Find the density of Liquid A: Liquid A: Mass-138g Volume – 100 mL.
nlexa [21]

Answer:

The answer is

<h2>1.38 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass of liquid = 138 g

volume = 100 mL

The density of the liquid is

density =  \frac{138}{100}  = \frac{69}{5 0}

We have the final answer as

<h3>1.38 g/mL</h3>

Hope this helps you

7 0
2 years ago
Yes thank you I love and appreciate this so much woooo
Natali5045456 [20]
Thank you for the points

Hope you have a great day/night
4 0
3 years ago
Read 2 more answers
What makes scientists think that arctic areas were once warm?
kogti [31]

Answer:well the ice preserves the wooly mammoths

Explanation:its not just snow its bacteria witch means that once living to frozen thats how they know how it looks like and to see what animal its related to now day it related to the elephants

3 0
2 years ago
Jim brings his finger near a metal doorknob and receives a shock what does this demonstrates
qwelly [4]

Answer:

Static Electricity

Explanation:

Most likely, in the room, Jim was building up static electricity by friction with the floor, which he released upon contact with a metal object.

5 0
2 years ago
Read 2 more answers
Other questions:
  • Solid potassium chlorate (kclo3) decomposes into potassium chloride and oxygen gas when heated. how many moles of oxygen form wh
    8·1 answer
  • A 110.0-g sample of metal at 82.00°C is added to 110.0 g of H2O(l) at 27.00°C in an insulated container. The temperature rises t
    12·2 answers
  • How easily one thing one thing dissolved into another defined what term? A)elasticity B)solubility C)malleability D)conductivity
    14·2 answers
  • 5. Sodium peroxide reacts vigorously with water in the following unbalanced equation:
    5·1 answer
  • What are bonds in metals like?<br><br> Please Answer - In full sentences (3)
    8·2 answers
  • Why is the brcl molecule polar? the shared electrons are closer to cl due to the greater electronegativity of chlorine. bromine
    12·2 answers
  • Arrange the core steps of the scientific method in sequential order
    7·2 answers
  • Identify the effects of electrical forces and the role electrical forces play in the formation of ionic bonds by completing the
    14·2 answers
  • Give me a time table of how to revise my exam syllabus within 1 month
    14·1 answer
  • The fluid in a car battery has a volume of 125 mL and a mass of 155 g what is the density
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!