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
kipiarov [429]
3 years ago
11

PLEASE ANSWER!!!!!!!! WILL MARK BRAILIEST

Chemistry
1 answer:
Mariana [72]3 years ago
6 0
9.Pubchem
10.Oxygen
11. Selenium fluoride
12. Disilicon Hexabromide
13. sulfur tetrachloride
14.Methane
15.diboron silicide
16. Nitrogen trifluoride

PLEASE GIVE ME BRAINLIEST!
You might be interested in
_______________________________: a type of observation which can be counted or measured, often using tools like a thermometer, a
Ber [7]

Answer:

<u>A Quantative Observation</u>: A type of observation which can be counted or measured, often using tools like a thermometer, a scale, or a ruler.

<u>Observation:</u> All the data collected during scientific investigations. It is best gathered by doing the investigation yourself, not reading other peoples’ work.

<u>Scientific Law</u>: a specific relationship under given conditions that tells what happens in the natural world. Based on a body of evidence, they are universal and will rarely if ever change.

<u>Scientific Theory</u>: a well-supported and widely accepted explanation of nature. They can and do change if new evidence arises.

I hope I got these right and I hope you got the help you wanted!

4 0
3 years ago
Read 2 more answers
1. Find at least 3 elements named after countries
Kazeer [188]

Answer:

1. Elements named after Countries or Places

Americium

Am

Made in 1945 at Chicago USA

Berkelium

Bk

Made in 1950 at the University of California, Berkeley, USA

Californium

Cf

Made in 1950 at the University of California, Berkeley, USA

Copper

Cu

The Romans were the biggest users of copper. Their source of copper was the island of Cyprus. Their name for the island was "Cyprium". They called the metal "Aes Cyprium" - metal of Cyprus. The name became shortened to Cyprium which then became "Cuprum" from which copper gains its modern day symbol.

Francium

Fr

Discovered in 1939 at the Curie Institute, Paris, France.

Gallium

Ga

Named after the Latin name for France - Gallia

Germanium

Ge

Discovered in 1886 by a German Chemist - Winkler.

Polonium

Po

Discovered in 1898 by Marie Curie, who was Polish.

Scandium

Sc

Discovered and mined in Scandinavia

Strontium

Sr

Named after Strontian, a small village in the Western Highlands of Scotland.

__________________________________________________________

4. Elements named after Planets

Helium

He

From the Greek word "Helios" - the Sun. In 1868 during an eclipse of the Sun, Scientists observed a spectral line caused by an unknown element. They named the element Helium. Twenty seven years later in 1895, the element was discovered on Earth.

Neptunium

Np

Named after the planet Neptune. Find the position of the three planets Neptune, Pluto, and Uranus in the Solar system. Now find the position in the Periodic Table of the three elements named after these planets...

Plutonium

Pu

Named after the planet Pluto

Uranium

U

Named after the planet Uranus. The element was discovered in 1789, shortly after the discovery of the planet.

Elements named from Mythology

Tantalum

Ta

Named after the Greek mythological king, Tantalus. It was discovered in 1802 and great difficulties were encountered in dissolving its oxide in acid to form salts. It proved to be a tantalizing problem!

Niobium

Nb

Named after Princess Niobe, the daughter of King Tantalus. According to legend, father and daughter were always found together and were very much alike. The two elements Niobium and Tantalum are usually found together in nature and their properties are very similar. Niobium was discovered in North America in 1801 and was originally named Columbium. It was renamed in 1844 after the connections with tantalum was realized. Find the positions of both elements in the periodic table

Thorium

Th

Named after Thor, the Scandinavian God of War and Thunder. It was discovered and named in 1828. Coincidentally, thorium is used today as a nuclear fuel in nuclear weapons and reactors.

Titanium

Ti

Named after Titans, the Greek supermen. Titanium is an extremely strong metal which resists attack by acids.

Vanadium

V

Named after Vandis, the Scandinavian Goddess of Beauty. The salts of vanadium have beautiful colors.

3. Elements named after Famous Scientists

Curium

Cm

Made in 1944 at Chicago. It was named in honor of Marie and Pierre Curie.

Einsteinium

Es

Made in 1952 at the University of California. It was named in honor of Albert Einstein.

Lawrencium

Lw

All of the man-made elements have been made as a result of the Nuclear Age. The majority of these elements were made at the University of California USA, in a machine called the Cyclotron. The Cyclotron was invented by Professor Ernest Lawrence. Lawrencium was made at the University of California in 1961 and named in his honor.

Mendelevium

Md

Made in 1955 at the University of California. It was named after a world famous Russian Chemist Dimitri Mendeleev.

------------------------------------

8. The chemical symbol for lead is Pb, which comes from the Latin word plumbum, meaning "waterworks," referring back to ancient times when the metal was widely used in the construction of water pipes.

**** MORE ANSWERS ARE UNDER THE QUESTION -- Scroll all the way up ****

I hope this helps!

8 0
3 years ago
What is the energy of a photon with the frequency of 1.02 x 1015 Hz?<br> Please show your work!
galben [10]
<span> E = h v where v = frequency h = plancks constant 6.626 * 10 - 34

4.8 * 6.626 = 31.8 </span>
7 0
3 years ago
How do the electron configurations within the same group of elements compare?
Dafna11 [192]
The electronic configuration of the elements which share the group, must have the last electron in same block..
3 0
3 years ago
Nuclear equation problem<br> Please answer asap no explanation needed <br> (Look at picture)
Ksju [112]
I think A or C but 75%C
7 0
3 years ago
Read 2 more answers
Other questions:
  • Explain the law of conservation of matter using your own examples.
    12·1 answer
  • The type of environment that is suitable for a certain species is its _____.
    8·2 answers
  • Direction is the path along which something is moving. Which of these words can be used to describe the direction of an object r
    15·2 answers
  • 1. Compound A contains 14 g of nitrogen for each 16 g of oxygen. Compound B contains 14 g of nitrogen for each 32 g of oxygen. W
    14·1 answer
  • Once formed, how are coordinate covalent bonds different from other covalent bonds?
    13·1 answer
  • What identifies the levels of organization that make up the respiratory system in order of increasing complexity?
    14·2 answers
  • Assume that you have to prepare a 200 g salt solution, and the concentration must be 15 % by mass. How many grams of solute and
    12·1 answer
  • How were scientists able to study the center of the Earth
    9·1 answer
  • Can someone help me with this
    14·2 answers
  • When chemical W is added to a liquid, the chemical breaks down into substances X, Y, and Z. It is not possible to break down sub
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!