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
SVEN [57.7K]
3 years ago
15

Who was the first to state the concept of an atom

Chemistry
1 answer:
marin [14]3 years ago
6 0
Democritus, a Greek philosopher, first developed the idea of atoms (around 460 B.C., I believe).
Hope this helps!
You might be interested in
How many moles of water are produced from 0.500 moles of oxygen gas?
solmaris [256]
As far as I know NONE.....
Explanation:
Sodium peroxide can be thermolyzed to give dioxygen gas...
N
a
2
O
2
(
s
)
+
Δ
→
N
a
2
O
(
s
)
+
1
2
O
2
(
g
)
↑
⏐
⏐
⏐

But with water, we simply get an acid base reaction....
N
a
2
O
2
(
s
)
+
2
H
2
O
(
l
)
→
2
N
a
O
H
(
a
q
)
+
H
2
O
2
(
a
q
)
...
6 0
3 years ago
Which cannot be chemically broken down into simpler substances?
Anna71 [15]

Answer:

B.

Explanation:

elements

6 0
2 years ago
Read 2 more answers
What are conversion factors in chemistry?
jenyasd209 [6]
A conversion factor is ALWAYS equal to 1 :)
5 0
3 years ago
HELP!!! name two properties of metals
Olenka [21]

Answer:

1) Ductile

2) Malleable

please mark brainlest if right

Explanation:

3 0
2 years ago
Draw all the structural isomers for the molecular formula C3H8O. Be careful not to draw any structures by crossing one line over
Art [367]

Answer:

The three isomers having the molecular formula C_{3} H_{8}O are drawn in the figure below.

Explanation:

5 0
2 years ago
Other questions:
  • What can the vast majority of elements in the periodic table be classified?
    13·2 answers
  • Why can’t we go to the center of the Earth?
    15·1 answer
  • We use oxidation numbers to help us do what?
    5·2 answers
  • How many words can u type in a min
    11·1 answer
  • As the space between molecules in a gas sample decreases, the tendency for the behavior of this gas ___________ to deviate from
    13·1 answer
  • Calculate the mass percent of each component in the following solution.
    13·1 answer
  • Helppppppp. much needed help lol
    14·2 answers
  • Formula for dicyanoargentate (I) ion​
    11·1 answer
  • Which one of the following produces hydrogen ions in a water solution?
    7·1 answer
  • 20.8 grams of ethanol (CH3CH2OH) was burned in a calorimeter containing 200.0 grams of water. If the
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!