If an atom gains two electrons in a chemical reaction, what is its charge?

a

Question 4 options:

a.-2

b.-1

c.+2

d.+1

When resistors 1 and 2 are connected in series, the equivalent resistance is 14.9 ω. when they are connected in parallel, the equivalent resistance is 2.69 ω. what are (a) the smaller resistance and (b) the larger resistance of these two resistors?

Read each statement and determine if it describes alpha, beta, or gamma decay. decay occurs when a nucleus emits either an electron or a positron, Gamma = decay has no charge on mass but is capable of penetrating many substances.

What would happen to a cell if you removed it nucleus?

How many significant numbers are in the measurement 589.040 newtons

2 A kovács a meleg vasat a hideg vízbe teszi. A vas energiája 300 kJ-lal csökkent. Mennyivel nőtt a vízé?

Fast flowing water wears down the surface of a rock. This is an example of mechanical weathering chemical weathering erosion molecular weathering

What current would it need to carry in order to experience a very modest 1.0*10-3n⋅m torque?

Which of the following is the most accurate statement concerning the properties of matter? a. they can be written as symbols b. they can be observed and measured c. they cannot be tested or verified d. they change with the amount of matter present

When two sound waves are added together, interference occurs. What type of interference occurs when the overall volume increases? A. Destructive interference B. Deductive interference C. Inductive interference D. Constructive interference

Based on the data table, find the acceleration and then predict the velocity at the time 3.5 seconds.