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valina [46]
2 years ago
15

Which is a characteristic of atoms?

Chemistry
1 answer:
ra1l [238]2 years ago
6 0

Answer:

the second one ..........

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Tokyo, Japan is 8817.6 km from California. how many millimeters is this? answer in scientific notation.​
vitfil [10]

Answer:

d=8.817\times 10^9\ mm

Explanation:

It is given that,

Japan is 8817.6 km from California. We need to convert this distance in millimeters.

We know the conversion from km to mm is as follows :

1 km = 1000000

To convert mm km to mm use the unitary method as follows :

8817.6 km = 8817.6 × 1000000

d=8.817\times 10^9\ mm

Hence, the distance between Japan and California 8.817\times 10^9\ mm.

7 0
3 years ago
Identify each section of the periodic table.<br><br> metals<br> nonmetals<br> metalloids
Len [333]

Answer:

i added this table for some help

Explanation:

here are some examples

<u>metals:</u>They are hard and shiny, strong, and easy to shape. They are used for many industrial purposes. This group includes iron, gold, silver, chromium, nickel, and copper, some of which are also noble metals.

<u>non-metals:</u>a chemical element (as boron, carbon, or nitrogen) that lacks the characteristics of a metal and that is able to form anions, acidic oxides, acids, and stable compounds with hydrogen.

<u>metalloids:</u>Physical properties are usually those that can be observed using our senses such as color, luster, freezing point, boiling point, melting point, density, hardness and odor. Metalloids have mixed properties which are difficult to characterize.

8 0
3 years ago
Read 2 more answers
Of the first 103 elements, how many have just ine letter in their symbol​
malfutka [58]

Answer:

14 elements.

Explanation:

B

boron

C

carbon

F

fluorine

H

hydrogen

I

iodine

N

nitrogen

O

oxygen

P

phosphorus

K

potassium

S

sulfur

W

tungsten

U

uranium

V

vanadium

Y

yttrium

4 0
3 years ago
Based on the collision theory, which factors are likely to increase the rate of reaction? Select all that apply.
Alexus [3.1K]

Answer:

Option a

Explanation:

can u mark brainliest?

7 0
1 year ago
A)<br>Name the following compounds<br>CH, -CH-CH<br>(i)<br>CH, Br<br>-​
liq [111]

Answer:

methyl, ethyl,

Explanation:

that should be the case

8 0
2 years ago
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