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mrs_skeptik [129]
3 years ago
6

What makes radioisotopes useful for dating objects answers?

Chemistry
1 answer:
Rus_ich [418]3 years ago
7 0
If they have a long halflife, you can tell how much time has gone by since the element last has changed on earth.
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Which phrase accurately describes the location of Africa? O mostly in the eastern hemisphere mostly south of the Tropic of Capri
dimaraw [331]

Answer:

mostly in the eastern hemisphere mostly south of the Tropic of Capricorn

Explanation:

5 0
3 years ago
An ionic compound is a chemical compound dissociated into positive and negative ions, but globally neutral (it is a bond that us
Firdavs [7]

True

Explanation:

Ionic compounds are chemical compounds that dissociates into positive and negative ions and are globally neutral due to the charge balance. They are made up of metals and non-metals.

  • Ionic bonds are formed between two kinds of atoms having a large electronegativity difference.
  • It is usually between metals and non-metals.
  • The formation of this bond type involves the transfer of electrons from the less electronegative atom such that the two kinds of atoms now have completely filled outer shell like the noble gases.
  • This transfer makes the metal positively charged while the non-metal becomes negatively charged.
  • The atoms forms ions that are oppositely charged.
  • The charges are balanced out leaving a net neutral compound.
  • The electrostatic force of attraction between these ions is the ionic or electrovalent bond.

learn more:

Ionic compound brainly.com/question/6071838

#learnwithBrainly

6 0
3 years ago
The larva form of amphibians is called​
vaieri [72.5K]

Answer:

Hello! I think the answer is morphology

3 0
3 years ago
I NEED HELP :)
BlackZzzverrR [31]

Answer:

48 mph

Explanation:

total time= 19/12 hr

distence- 76 miles

speed- D/T=76/19/12

which is 48mph

if my answer helps please mark as brainliest.

8 0
3 years ago
Read 2 more answers
What type of bond holds different water molecules together
lukranit [14]
Polar covalent bonds
5 0
3 years ago
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