38 Best Atom Questions and Answers (Q&A) - ProProfs Discuss

What is the difference between Daltons Atomic Theory and the Modern Atomic Theory?

John Smith
Answered: Nov 18, 2024

Dalton says atoms of a given element are identical in mass and the modern one says atoms of a given element are identical in average mass. Dalton says atoms of a different element differ in size...Read More

1 Answer

1397 views

Which electron configuration could represent a strontium atom in an excited state?

L.Steven
Answered: Jan 07, 2018

Each element has an electron configuration that corresponds to its proton number. These electrons are responsible for the reactivity of the element. Strontium is an alkali metal and alkali metal...Read More

3 Answers

1218 views

Where are electrons usually found according to atomic theory?

John Smith
Answered: Nov 18, 2024

Outside the nucleus and often far from it - most of an atom s volume is its electron cloud

2 Answers

1218 views

What is the difference between NAD and FAD?

Samantha Stewart, Philanthropist
Answered: Jul 22, 2019

You may not be aware of what NAD and FAD are. There are both known to be electron carriers, and they are expected to do many different roles. FAD stands for Flavin Adenine Dinucleotide whole NAD...Read More

2 Answers

1027 views

How are electrons arranged in an atom?

Chelsey Erwin
Answered: Jan 15, 2019

There is the same number of electrons as protons in an atom. Inside the atom, electrons are arranged around the nucleus. The nucleus is surrounded by electron levels or shells. This is where the...Read More

3 Answers

1023 views

What is Avagadros number?

A. Cook, English Professor
Answered: Jan 02, 2019

Avagadro’s number refers to the number of units in one mole of any substance, which is defined as its molecular weight in grams; it is a key component in studying chemistry. It equals to...Read More

2 Answers

864 views

What is its mass if aluminium has an atomic number of 13 and has 14 protons?

John Adney
Answered: Feb 10, 2017

It needs to be changed to say "If Aluminum has an atomic number of 13 and has 14 neutrons what is the mass?"

3 Answers

803 views

What is the difference between auxochrome and chromophore?

J. Rogers, Rosshazlewood
Answered: Nov 01, 2019

An auxochrome is an assembly of atoms that will convey a specific color when connected to a chromosphere; however, when present alone, it will fail to produce the color. The chromosphere is the...Read More

2 Answers

769 views

Which subatomic particles have approximately the same size and mass as each other?

CharlieC
Answered: Nov 18, 2024

Protons and neutrons

1 Answer

611 views

What is the difference between Molar Mass and Atomic Mass?

G. Jabez
Answered: Nov 26, 2019

The molar mass and Atomic mass are both important terms in chemistry. You can easily confuse one for another because both contain the word 'mass.' By definition, molar mass means the mass of a...Read More

4 Answers

600 views

Which of the following statements regarding atomic particles is false?

John Adney
Answered: Sep 14, 2017

Write the chemical symbol referring to each of the following descriptions

A.25 protons and 25 electrons

2 Answers

556 views

What is the name of the atom pictured?

Cobbeyh
Answered: Nov 18, 2024

Beryllium

The proton number is the atomic number. Since there are 4 protons, the atomic number is 4. Making this atom: Beryllium ****

1 Answer

520 views

Which two particles would be attracted to each other?

Minmasri
Answered: Nov 18, 2024

Electrons and protons

1 Answer

488 views

How can you demonstrate that a piece of chalk has mass?

Jdftjay
Answered: Nov 18, 2024

You can weigh the piece of chalk on a balance scale.

1 Answer

425 views

What is the difference between Atom and Molecule?

Millie Brown, Businessman
Answered: May 12, 2020

Molecules are constructed of atoms. The key difference between the molecule and the atom is that a molecule is a combination of two or more atoms through chemical bonding. In contrast, an atom is...Read More

2 Answers

386 views

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