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
timurjin [86]
3 years ago
12

En que consiste cada familia de la tabla periódica?

Chemistry
1 answer:
Zielflug [23.3K]3 years ago
7 0
English:Each family consist of the same number of valence electrons.

Spanish:
Cada familia consta de la misma cantidad de electrones de valencia
You might be interested in
Why is water less dense as a solid than a liquid? In ecological terms, why is this of particular importance?
Georgia [21]
<span>Persamaan setara pada reaksi besi dengan asam klorida membentuk besi (II) klorida dan gas hidrogen </span>
3 0
3 years ago
Salivary amylase is an enzyme produced by the salivary glands that breaks down carbohydrates. What will happen to this enzyme as
o-na [289]

Answer:

It will be denatured.

Explanation:

Salivary amylase works best at pH 6.8.

At pH 2.5, its activity will decrease enormously as it becomes denatured by the high acidity of the stomach contents.

4 0
2 years ago
Peut-on être exact sans être précis?
Evgesh-ka [11]

Answer:

I think you can.

8 0
2 years ago
at a certain pressure the density of superficial carbon dioxide is 0.469. what is the mass of a 25.0 mL sample of supercritical
Murrr4er [49]

Answer:

\large \boxed{\text{11.7 g}}

Explanation:

\text{Mass} = \text{25.0 mL} \times \dfrac{\text{0.469 g}}{\text{1 mL}} = \textbf{11.7 g}\\\\\text{The mass of the carbon dioxide is $\large \boxed{\textbf{11.7 g}}$}

7 0
3 years ago
A 40.0-mL sample of 0.100 M HNO2 (Ka = 4.6 x 10-4 .) is titrated with 0.200 M KOH. Calculate: a. the pH when no base is added b.
In-s [12.5K]

Answer:

a) 2.173

b) 20ml

c) 3.87

d) 4.35

e) 8.8

f) 12.45

Explanation:

chech the attachment for explanationns

4 0
3 years ago
Other questions:
  • Which of the following statements is true? A. Isotopes of the same element have the same number of protons and neutrons. B. Isot
    5·1 answer
  • Is the igneous rock destructive or constructive?
    9·1 answer
  • Which planet listed below will take the longest amount of time to orbit the sun?
    5·1 answer
  • If a dose with an activity of 2.55 mCi of 123I is given to a patient for a thyroid test, how much of the 123I will still be acti
    7·1 answer
  • Why do we see different phases of the lunar cycle?
    5·1 answer
  • Which of the following forms of invisible light, would have the highest wavelength?
    6·1 answer
  • Jill and Susan were absent when the instructions were given for the lab investigation. They gathered their materials and watched
    6·2 answers
  • Mass of a man is 80kg. Assuming that a human body Contains 70% water, calculate the total no. of water molecules present in the
    14·1 answer
  • Which material property is most directly related to the x-axis value at the x-intercept of the interatomic force versus distance
    6·1 answer
  • Write the following numbers in scientific notation.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!