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
konstantin123 [22]
3 years ago
8

Plz help me with seven eight and nine

Chemistry
1 answer:
Nookie1986 [14]3 years ago
4 0
7 is atomic symbol 9 is atomic density 8 is the atomic number
You might be interested in
How do you view failure? Is failure the end, or is failure an important lesson and motivator?
Katyanochek1 [597]

Answer:

Failure is a lesson

Explanation:

Without failure, we'd be less capable of compassion, empathy, kindness, and great achievement. It's through failure that we learn the greatest lessons that life could teach us.

8 0
3 years ago
La columna de la izquierda corresponde a los tipos de sales y la columna derecha a los tipos de fórmula que presentan. Relaciona
Galina-37 [17]

Answer:

1. Hidracidas a. MX

2 Acidas c. MHXO

3. Oxacidas  b. MXO

4. Basicas d. M(OH)X

Explanation:

¡Hola!

En este caso, de acuerdo con el concepto de sal, la cual está generalmente dada por la presencia de al menos un metal y un no metal, es posible encontrar cuatro tipos de estas; hidrácidas, oxácidas, básicas y ácidas, en las que las primeras dos son neutras pero la segunda tiene presencia de oxígeno, la tercera tiene iones hidróxido adicionales y la cuarta iones hidrógeno de más.

Debido a la anterior, es posible relacionar cada pareja de la siguiente manera:

1. Hidracidas a. MX

2 Acidas c. MHXO

3. Oxacidas  b. MXO

4. Basicas d. M(OH)XO

En las que M se refiere a un metal, X a un no metal, H a hidrógeno y O a oxígeno.

¡Saludos!

3 0
3 years ago
This chart lists four elements from the periodic table.
aksik [14]
Iodine and Calcium is the correct answer
3 0
3 years ago
Read 2 more answers
Using this illustration, what is the chemical formula? Picture and possible answers are below.
qwelly [4]
NH3. 1 nitrogen and 3 hydrogen
4 0
3 years ago
Read 2 more answers
Hydrates that have a low vapor pressure and remove moisture from air are said to be ___. Question 8 options: effloresce hygrosco
-Dominant- [34]

Answer:

Hygroscopic

Explanation:

An hygroscopic substance is one that absorbs moisture from the atmosphere and becomes wet. Their ability to remove water from air is less than that of deliquescent substances. Most of the solid hygroscopic substances forms pasty substances and not solutions like the deliquescent compounds.

Examples are sodium trioxonitrate(v), copper(ii) oxide e.t.c

Efflorescence compounds gives off their water of crystallization to the atmosphere.

4 0
3 years ago
Other questions:
  • Why is BrCl5 nonpolar when it's Asymmetrical? Aren't symmetrical molecules suppposed to be polar?
    12·2 answers
  • Explain organic chemistry
    14·2 answers
  • The most general level of classification is _A_ and the most specific level is _B_<br> A=?<br> B=?
    12·1 answer
  • Solid solution of a metal or nonmetal dissolved in a metal
    6·1 answer
  • Balancing chemical reactions is consistent with which scientific law?
    6·1 answer
  • Write the name for the following compound NH3​
    13·1 answer
  • Which molecule is pentanoic acid?<br> ОА.<br> Н<br> 1<br> НЕС-ОН<br> ОВ.<br> Н<br> ОН<br> ор.н.н
    5·1 answer
  • What is the purpose of chemistry?
    5·1 answer
  • What kingdom do each of the following organisms belong to? *
    5·1 answer
  • Assertion (A): An orbital cannot have more than two electrons, moreover, if an orbital has two electrons they must have opposite
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!