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
PolarNik [594]
2 years ago
14

Fill in the Blank Question

Chemistry
2 answers:
timofeeve [1]2 years ago
8 0
The number of protons is unique to each element, and is what gives the element its atomic number.

When the element has an equal number of protons and electrons, then the element is electrically neutral (since the positive and negative charges cancel each other out).

So the answer for this question would be protons, and then electrons.
creativ13 [48]2 years ago
7 0

Answer:

Protons

Explanation:

It's the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

Hope this helped, can I also get brainliest plz?

You might be interested in
Without using Appendix B, predict the sign of ΔS° for(b) KBr(s)→ KBr(aq)
Volgvan

Since the sign is positive, the entropy increased by 88.48 J/K.

Examine the phases of the species present to determine whether a physical or chemical process will cause an increase or decrease in entropy. Keep in mind "Silly Little Goats" to aid you in telling.

[1 Sf K+1 + 1 Sf Br-1 (aq)] ([1Sf(KBr (s))])

[1(102.5) + 1(82.42)] - [1(96.44)] = 88.48 J/K

If the entropy has grown, we say that Delta S is positive, and if it has dropped, we say that Delta S is negative. Due to its ionic nature, KBr is soluble in water and causes the 'K(+)' ions to hydrate.

Learn more about Entropy here-

brainly.com/question/13146879

#SPJ4

8 0
1 year ago
3 points
VLD [36.1K]

Answer:

<h3>The answer is 8.29 %</h3>

Explanation:

The percentage error of a certain measurement can be found by using the formula

P(\%) =  \frac{error}{actual \:  \: number}  \times 100\% \\

From the question

actual density = 19.30g/L

error = 20.9 - 19.3 = 1.6

We have

p(\%) =  \frac{1.6}{19.3}  \times 100 \\  = 8.290155440...

We have the final answer as

<h3>8.29 %</h3>

Hope this helps you

5 0
3 years ago
What is the Bayer process explain it
Vlada [557]

Answer:

The Bayer process is the principal industrial means of refining bauxite to produce alumina (aluminium oxide) and was developed by Carl Josef Bayer. Bauxite, the most important ore of aluminium, contains only 30–60% aluminium oxide (Al2O3), the rest being a mixture of silica, various iron oxides, and titanium dioxide.

7 0
3 years ago
Investigators studying a particular cell response are curious about what type of cell-surface receptor might trigger it. They in
belka [17]

Answer:

An ion channel, more specifically a calcium channel.

Explanation:

The electrical activity of the cells is regulated by ion channels. Calcium channels, also referred as the voltage-gated calcium channels constitute one group of a superfamily of ion channels. A change in voltage across the membrane or small molecules triggers calcium channels to open, allowing calcium to flow into the cell. Inside the cell, calcium acts as a second messenger, it binds to calcium sensitive proteins to induce different responses and support several functions such as muscle contraction, hormone and neurotransmitter secretion, gene regulation, activation of other ion channels, control of action potentials, cell survival, etc.

3 0
3 years ago
When a solution is considered to have a high concentration of hydrogen ions (H+) is also considered to be?
charle [14.2K]

Answer: option A. acidic

Explanation: acidic solution is characterized by the presence of Hydrogen ion.

6 0
3 years ago
Other questions:
  • A chemist titrates 160.0mL of a 0.3403M aniline C6H5NH2 solution with 0.0501M HNO3 solution at 25°C . Calculate the pH at equiva
    10·1 answer
  • Refer to the first three rows of the periodic table, what element has properties most similar to carbon?
    9·1 answer
  • 8. The oxidation number of magnesium in magnesium chloride is _____.
    10·2 answers
  • A force of 30 N is applied to a screwdriver to pry the lid off of a can of paint. The screwdriver applies 75 N of force to the l
    11·1 answer
  • In a nuclear reaction, the parent element is always radioactive.
    12·1 answer
  • Explain why the nucleus of an atom carries a positive charge
    10·1 answer
  • Weather stations send up weather balloons with _____ to transmit temperature, humidity, wind speed, and wind direction measureme
    14·1 answer
  • Cuando un gas que se encuentra a 20°c se calienta hasta los 40°c sin que varie su presion, su volumen se duplica
    10·1 answer
  • After studying many factors in the environment, a scientist developed this graph to
    7·1 answer
  • A chemist measures the amount of chlorine gas produced during an experiment. she finds that 8.61 g of chlorine gas is produced.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!