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
LiRa [457]
3 years ago
8

Science begins with an observation, true or false?

Chemistry
1 answer:
JulijaS [17]3 years ago
7 0

Answer:

true!

Explanation:

if youre going by the scientific method, observations are mainly first. then questions, research, etc

You might be interested in
True or False, the central atom in a molecule is the one with the highest electron affinity.
PtichkaEL [24]
False. Chlorine has the most.
8 0
3 years ago
A. What is a period on the periodic table?
malfutka [58]

Answer:

In chemical bonding: Arrangement of the elements. The horizontal rows of the periodic table are called periods. Each period corresponds to the successive occupation of the orbitals in a valence shell of the atom, with the long periods corresponding to the occupation of the orbitals of a d subshell.

Explanation:

7 0
3 years ago
Read 2 more answers
The electron dot structure for CI is
finlep [7]
The correct option is C.
A Lewis dot diagram is a representation of the valence electron of  an atom, which uses dot around the symbol of the atom. Chlorine has seven electrons in its outermost shell, these seven electrons are arranged in form of dot around the atom of chlorine. If you count the number of dot given in option C, you will notice that they are seven.
6 0
3 years ago
Read 2 more answers
What happens to gas particles when they are compressed?
Anuta_ua [19.1K]

Answer:

3)Some gas molecules move further apart and some move closer together.

Explanation:

because When more gas particles enter a container, there is less space for the particles to spread out, and they become compressed. The particles exert more force on the interior volume of the container. This force is called pressure. There are several units used to express pressure.

4 0
3 years ago
Scientific research has found many negative effects of common household materials. Which of the following elements was once used
Volgvan
Lead.  

Lead paint was a big problem and now lead has been removed from paint because it was found to be dangerous to the health of living organisms.

Hope this helps! :)
4 0
3 years ago
Other questions:
  • How many protons neutrons and electrons does zinc 66 have?
    13·1 answer
  • Which substance/s have covalent bond? Explain your answer.​
    7·1 answer
  • Prior to their phaseout in the 1980s, chemicals containing lead were commonly added to gasoline as anti-knocking agents. a 2.475
    12·1 answer
  • At what temperature would 0.500 moles of gas particles stored in a 100.0 mL container reach a pressure of 15.0 atm?
    6·2 answers
  • What is the electron configuration for ground-state Boron
    6·1 answer
  • Sunny makes a poster showing the levels of
    11·2 answers
  • I really need help with this question please help me.
    11·1 answer
  • PLEASE HELP QUIKLY!
    7·2 answers
  • A student dissolves 15.0 g of ammonium chloride(NH4Cl) in 250. 0 g of water in a well-insulated open cup. She then observes the
    11·1 answer
  • What type of weather is associated with high pressure?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!