atoms of different elements bonded together

Duplicate of Atoms, Ions, and Molecules Flashcards

1

Which phrase best describes atoms?

positively charged particles
parts of a nucleus
single-celled organism
smallest basic units of matter

2

How do ions form?

Atoms combine to make a larger atom.
Atoms form covalent bonds.
Two atoms share electrons.
Atoms gain or lose electrons.

3

BONUS: Can you breath the air on Mars?

Yes! but only for an hour at a time
Yes!
No, it doesn't have any air
No, It doesn't have enough Oxygen

4

Which of the following cannot be broken down by ordinary chemical means?

molecule
element
bond
compound

5

What is the negatively charged particle found in an atom called?

electrons
protons
neutrons
prions

6

Atoms connected by covalent bonds share

ionic compounds
pairs of electrons
carbon and oxygen
hydrogen ions

7

What is a compound?

a molecule of two oxygen atoms
A disco dance
two atoms of a single element bonded together
atoms of different elements bonded together

8

How does an ionic bond form?

Electrons are exchanged between atoms.
Atoms share electrons.
Two atoms combine as one.
Positive and negative ions attract

9

What is an example of an element?

Oxygen
Gold
Water
Kryptonium

10

The variables that DO NOT change in an experiment are called

dependent variables
independent variables
observations
constants/controls

11

An ion is formed when an atom gains or loses

neutrons
electrons
protons
bonds

12

How does an ion become negatively charged?

It loses electrons.
It gains electrons.
Someone says something mean about it

13

Which particle determines the properties of an element?

protons
neutrons
quarks
electrons

14

Atoms in molecules share pairs of electrons when they make

covalent bonds
specific heat
hydrogen bonds
ionic bonds

15

The smallest basic unit of matter is the

compound.
cell.
molecule.
atom.

Duplicate of Atoms, Ions, and Molecules

Questions 15

Duplicate of Atoms, Ions, and Molecules

Questions 15