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
joja [24]
3 years ago
12

If the age of the middle layer of a rock sample is between 600 million years and 1 billion years, which of the following could b

e the age of the topmost layer?
Chemistry
1 answer:
Varvara68 [4.7K]3 years ago
6 0

200 million year to 550 million years old

You might be interested in
Which energy source can we can find waste everywhere and shouldn’t run out?
olya-2409 [2.1K]

Answer:

wind

Explanation:

hope this helps

7 0
3 years ago
Read 2 more answers
Elements that have the following qualities: Lustrous, Solid at Room Temperatures, They react and form Basic Compounds, Great con
Tatiana [17]

Answer:

They are classified as METALS.

Explanation:

Elements are simple substances that cannot be chemically broken down into smaller substances. Based on different characteristics, they are classified into 3 namely:

- metals

- non metals and

- metalloid( mainly act as semi- conductor).

METALS are the type of elements that loses electrons to form positive ion, that is, they are electropositive elements. They are distinguished by the following characteristics:

- LUSTROUS: they have the ability to reflect light from its surface.

- At room temperature: Metals are solid are room temperature with the exception of Mercury which is liquid at room temperature.

- They react and form Basic Compounds

- Great conductor: most metals are great conductors of heat and electricity because they possess free electrons.

- Melting Point: they have high melting points.

8 0
3 years ago
Answer these two questions, please.
IRINA_888 [86]

Answer:

neom, sodium bicarbonate

7 0
3 years ago
The formula K₂S indicates that _______.
Pachacha [2.7K]
The subscriot 2 means that in the formula there are two parts of K, and the subscript 1 (implicit) for S, indicates that there is one part of S.

This is, the formula gives the ratio of the elements K and S in the compound, which is:

2 atoms of K : 1 atom of S.

Answer: there are 2 atoms of K and 1 atom of S in a molecule of K2S.
5 0
3 years ago
Atoms,which are always neutral in electric charge, contain electrons as well as protons and neutrons. An electron has an electri
creativ13 [48]

Answer:

3

Explanation:

Since the atom has three electrons, it has a -3 electrical charge. Since atoms are neutral, 3 protons are needed to get the charge back to 0.

8 0
3 years ago
Other questions:
  • Calculate molality of a 2m aq solution of sodium chloride with density 1.35g/mol
    7·1 answer
  • How much water. does moss contain
    8·1 answer
  • Three isotopes of oxygen are oxygen-16, oxygen-17 and oxygen-18. Write the symbol for each, including the atomic number and mass
    15·1 answer
  • what is the substances would be produced during the chemical reaction between potassium hydroxide and hydrochloric acid
    11·2 answers
  • The molecules you use in a chemical reaction are called the:
    5·1 answer
  • What is acid sulfuric's function ?​
    6·1 answer
  • Please help! Due today!
    9·1 answer
  • What is the molarity of a solution that contains 0.220 moles KOH in 0.350 L of solution?
    8·1 answer
  • Why do you think evolution is important?
    14·2 answers
  • a compound containing only sulfur and nitrogen is by mass; the molar mass is g/mol. what are the empirical and molecular formula
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!