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
Sliva [168]
3 years ago
6

If an element has a half life of one million years, how long will it take to be completely gone

Chemistry
1 answer:
Aleonysh [2.5K]3 years ago
3 0
It should be 2 million years
You might be interested in
I have 2 Valence electrons and 1 energy levels
natima [27]

Answer:

Hydrogen(H) and Heluim(He)

Explanation:

These are the only two valennce electrons and 1 energy levels.

3 0
3 years ago
Read 2 more answers
The picture is above^ someone help me please :)
Ronch [10]

Answer:

idk plz do not report

Explanation:

8 0
3 years ago
What is an oxidation reaction? ​
kow [346]
<h3>Definition:</h3>
  • A reaction when an atom or compound loses one or more electrons.

  • It is a reaction is a type of chemical reaction that involves a transfer of electrons between two species.

  • Oxidation is gain of oxygen

<h3>For Example:</h3>

Fe + O2 —(H2O)—> Fe2O3

7 0
3 years ago
What is the eccentricity of mercury
suter [353]
According to my astronomy book, it's about 0.206
6 0
3 years ago
Read 2 more answers
2) 183 cg =<br> kg<br> 5<br> .00183 kg<br> 0.0183 kg<br> .183 kg<br> 3) 0.25 kg =<br> g
OlgaM077 [116]

Answer:

183 cg = 0.00183 kg

0.25 kg = 250 g

Explanation:

Use conversion factors. 1kg is equal to 1 x 10^5 cg (100000) and 1 kg is equal to 1 x 10^3 grams (1000 grams).

5 0
3 years ago
Other questions:
  • BRAINLIESTT ASAP! PLEASE HELP :)
    9·1 answer
  • What is the melting point of a 3L aqueous solution that contains 100g of MgCl2? kf H2O=1.86 rhoH2O=1gmL
    12·2 answers
  • If I change the number of electrons in an atom, it becomes
    7·1 answer
  • the relationship between the heated air particles inside a hot air balloon and the cooler air outside the balloon?
    10·2 answers
  • The mass of a single gold atom is 3.27X10^-22 grams. How many gold Adams with there be in 57.8 mg of gold.
    12·1 answer
  • 1. What are the characteristics of a gas?
    5·1 answer
  • What are the chemical building blocks of proteins called?<br> Pls
    9·2 answers
  • What are things animals might do to survive?
    13·1 answer
  • What is also known as neutralization? 1. Acid-base 2. Redox 3. Precipitation
    7·1 answer
  • Use the drop-down menus to match the name and structure for the following cycloalkanes. A five-sided polygon. A square. A five-s
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!