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
Nat2105 [25]
2 years ago
14

Which element on the periodic table is the lowest mass in period 4??

Chemistry
1 answer:
White raven [17]2 years ago
8 0

Answer:

potassium I believe is the correct answer

Explanation:

Potassium is the period four element with the lowest mass; its average mass is 39.0983amu.

You might be interested in
How many grams of CO are produced when 41.0 g of C reacts?
CaHeK987 [17]

Answer:

95.7 g CO to the nearest tenth.

Explanation:

2C + O2 ---> 2CO

Using relative atomic masses:

24 g C produces  2*12 + 2*16 g CO.

So 41 g produces  ( (2*12 + 2*16) * 41  ) / 24

= 95.7 g CO,

7 0
2 years ago
The law of conservation of matter states that matter can be neither created nor destroyed. Your friend shows you the following c
WITCHER [35]

Answer:

According to conservation of matter, there should be equal amounts of all elements on both the reactant and product side.

Reactant:

1 Ca

1 C

1 O

Product:

1 Ca

1 C

3 O

Therefore, your friend is right because the law of conservation of matter is not followed in this chemical equation.

Explanation:

6 0
2 years ago
Youll get brainliest!!!
Dmitrij [34]
<span>A. Mechanic agitations</span>
7 0
3 years ago
Which of these is not a precaution taken at nuclear power plants to ensure safety? Safety systems are built into them. All parts
irga5000 [103]

Answer: Enriched uranium is the fuel source.

The nuclear power plants utilizes the radiation energy from the fission of the heavy molecular weight atomic particles. These radiations can cause damage when exposed to the external air, they are capable of causing explosion, mutation in the living beings. Therefore, safety measures should be taken to prevent the damages.

Enriched uranium is the fuel source is not the precaution taken at the nuclear power plant to ensure safety because it is just explaining the fact that the uranium is the source of radiation. All other factors such as safety systems are built into them, all parts are kept in good repair and processes are carefully monitored are relevant precautions.

8 0
3 years ago
Dirty water is a _____.<br><br> mixture<br> or<br> compound ?
Vinil7 [7]

Answer: mixture

Explanation: they are heterogeneous mixtures not homogeneous

5 0
2 years ago
Read 2 more answers
Other questions:
  • Assume that 8.5 L of iodine gas (I2) are produced at STP according to the following balanced equation:2KI(aq) + Cl2(
    5·2 answers
  • The smallest units of matter that normally CANNOT be broken down are atoms. molecules. cells. phospholipids.
    12·1 answer
  • Acetylene gas (c2h2) reacts with oxygen gas (o2) to produce carbon dioxide (co2) and water vapor (h2o). how many liters of c2h2
    12·2 answers
  • Find value of x<br>(6xx) + (7x100-3<br>6<br>6.94<br>100<br>100​
    9·1 answer
  • 3) (2 points) The phenolic indicator (In-OH) has approximately the same pKa as a carboxylic acid. Which H is the most acidic pro
    11·1 answer
  • What is the answer?
    12·1 answer
  • Methane burns in oxygen to produce carbon dioxide and water. Which of the following represents
    11·1 answer
  • How moles are there in 15 grams of SiO2
    7·1 answer
  • What information does a solubility table give?
    7·2 answers
  • 4. The only two elements in alkanes, alkenes and alkynes are...
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!