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
lisov135 [29]
3 years ago
10

Marie Curie discovered that an element called gave off atomic energy.

Chemistry
2 answers:
AlekseyPX3 years ago
6 0
She discovered with her husband Polonium and Radium (both radioactive elements).
Hope this helps :).
Fed [463]3 years ago
3 0
The element that she discovered was radium.
You might be interested in
Order the atoms from largest to smallest: Cs , Si , Sn .
dimaraw [331]

Answer:

Si, Sn, Cs

Explanation:

                       Atomic no.          Atomic radius

Silicon Si_______14___________0.117
Tin         Sn______50___________0.140
cesium Cs______55___________0.262

Silicon is the smallest among these

4 0
2 years ago
Determine the molecular
jeyben [28]

Answer:

MgO- magnesium oxide

Cu(NO3)2- copper(11)nitrate

Li2CO3- lithium carbonate

7 0
3 years ago
In a double-replacement reaction, the _____.
givi [52]
 In a double-replacement reaction, the _____.?


There are many more interesting things to ask about double replacement reactions than are contained in the list given here. But the only correct choice is: 

C.reactants are two ionic compounds

8 0
3 years ago
Read 2 more answers
List 4 things that can affect the rate of reaction during a chemical reaction.
laiz [17]

Answer:

Reactant concentration, the physical state of the reactants, and surface area, temperature, and the presence of a catalyst are the four main factors that affect reaction rate.

Explanation:

6 0
2 years ago
What are these associated with the solar wind
Serjik [45]

Answer:

The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona. ... Its particles can escape the Sun's gravity because of their high energy resulting from the high temperature of the corona, which in turn is a result of the coronal magnetic field.

Explanation:

5 0
2 years ago
Read 2 more answers
Other questions:
  • What type of bond holds amino acids together?
    14·2 answers
  • The atomic number determines the identity of the atom. True or False?
    6·2 answers
  • What are the types of radioactive rays that can be produced during a radioactive decay?
    14·1 answer
  • Which is a characteristic of nuclear fusion but NOT nuclear fission?
    15·2 answers
  • Diffrent between bryophytes and pteriodphytes
    11·1 answer
  • Using standard heats of formation, calculate the standard enthalpy change for the following reaction. 2H2S(g) 3O2(g)2H2O(l) 2SO2
    9·1 answer
  • A gas is collected at 30 Celsius and has a pressure of 200 kPa. What pressure would it exert if the temperature changed to 40 Ce
    14·1 answer
  • What keeps galaxies togther? How?
    14·1 answer
  • An equilibrium mixture of N2, O2and NO gases at 1500K is determined to consist of 6.4 x 10-3Mof N2, 1.7 x 10-3M O2, and 1.1 x 10
    8·1 answer
  • A key bed is a layer of rock that looks similar to the layers around it.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!