Chemistry

I just need an answer for question 3,4 and 5. thank you so much.
1 Answer
2. What type of bonding would be expected between the following atoms?a. Li and Fc. I and Brb. Cu and Sd. S and O
2 Answers
Describe the Doppler Effect. Explain how it is used in Astronomy in term of red shift and blue shift
1 Answer
What volume of O2 would be required to react with 4.6 grams of Na
1 Answer
2. The new element Odessium (Od) was discovered in 2020 by Mr. Green. It has three isotopes: Od-284(34.60%), Od-285 (21.20%), and Od-288 (44.20%). What is its average atomic mass?|
1 Answer
A student inflates a balloon with helium then places it in the freezer. The student should expect the balloon's volume to increasethe balloon's volume to decreasethe balloon's moles to decreasethe balloon's moles to increase
1 Answer
PLEASE ANSWERA train travels at an average speed of 25 miles per hour. How long does it take the train to travel 2000 miles
1 Answer
Which of the following electromagnetic waves has the most energy on the electromagnetic spectrum?O A InfraredO B. X-rayO C. GammaO D. Radio
1 Answer
Why is it important for you to know the properties and chemical formulas of molecular and ionic compounds? How will this affect your ability to choose one product over another or make decisions about whether to use a certain substance like bleach or drain cleaner? How has learning about atomic structure and compounds changed your understanding of the world around you?
1 Answer
which of the following affects self esteem? O home, school, community and cultural environments O social interactions with family friends and others O media, tv, social networking sites all the above
1 Answer
An object has a mass of 20 g and volume of 10 cm. Enter the numerical value for the density of the object in units of g/cm
1 Answer
A substance is examined under a high-power electron microscope. The substance is found to contain only one type of atom.What is the substance?compoundO elementmixturesolution
1 Answer
What do we call the study of matter and how matter changes?
1 Answer
What do most mineral on Earth's surface contain?
2 Answers
What can you infer is causing the cryosphere to change?
2 Answers
helpppppppppp please what did max planck discovery?
2 Answers
How was Bohrs atomic model different from rutherfords atomic modelA. Bohrs model accounted for electrons that have different charges B. Bohrs model could explain the structure of the nucleus C. Bohrs model showed that electron orbits had distinct radii D. Bohrs model could explain the wave nature of electrons E. Bohrs model proved that atoms are unstable in the nature
2 Answers
How much valence electrons does xenon have
2 Answers
Which statement about sound waves is true?They can be reflected.Air travels with themThey travel throughovenThey exist only if heard
1 Answer
5. On a 92 point test, a student scored 87 points. What is their percent error?
1 Answer
Why do acids and bases neutralize eachother?
1 Answer
A chemical formula is shown below. How many total atoms are in 2 molecules of the chemical formula shown?C6H12N2O
1 Answer
if 20 ml of carbon dioxide diffuse in 100 second what volume of ozone will diffuse in the same time under similar condition
1 Answer
What are the physical properties of gases, and how do they change under certain conditions?
2 Answers