What happens when sodium atoms combine with chlorine atoms to form sodium chloride?
Sodium atoms gain one electron and chlorine atoms lose one electron.
Sodium atoms lose one electron and chlorine atoms gain one electron
Sodium atoms and chlorine atoms share one electron with each other
odium atoms and chlorine atoms share two electrons with each other
Who established the first psychology laboratory?
Edward Bradford Titchener
Margaret Floy Washburn
Wilhelm Wundt
G. Stanley Hall
Which of the following animal studies is most likely to receive approval?
Do monkeys who smoke get cancer?
Are dogs who are abused violent?
Will rats deprived of food for 1 week survive?
Can dolphins learn simple language?
What is an isotope?
An atom with a different number of electrons than protons
An atom with a different number of protons than neutrons
An atom with a different number of neutrons than other atoms of the same element
An atom with a different number of protons than other atoms of the same element
Which of the following is the best example of learning?
A dog salivates when food is placed in its mouth.
A honeybee stings when the hive is threatened.
A child cries when his brother hits him.
A child flinches when he sees lightning because he is afraid of thunder.
Which of the following statements stores the value 3 in x ?
int x = 4 / 7;
int x = 7 / 3;
int x = 7 / 4;
int x = 5 % 8;
int x = 8 % 5;
Hypnosis can enhance recall of forgotten events.
Psychologists design researches about "soul", "supernatural power" and "necromancy".
Which of the following statements assigns a random integer between 1 and 10, inclusive, to rn ?
int rn = (int) (Math.random()) * 10; (B) int rn = (int) (Math.random()) * 1
int rn = (int) (Math.random()) * 10 + 1;
int rn = (int) (Math.random() * 10);
int rn = (int) (Math.random() * 10) + 1;
int rn = (int) (Math.random() + 1) * 10;
Which of the following best describes the value of the Boolean expression shown below? a && !(b || a)
The value is always true.
The value is always false.
The value is true when a has the value false, and is false otherwise.
The value is true when b has the value false, and is false otherwise.
The value is true when either a or b has the value true, and is false otherwise
Everyone dreams during one's sleep.
If you fill a glass to the brim with ice water and the ice melts, what will happen?
The glass will over flow as the ice turns to water
The level of water in the glass will remain unchanged as the ice melts
The water level will drop slightly as the ice melts
I'll never find out as I'll drink the water before anything happens
Water-based liquids can be described as acidic, neutral, or basic, with respect to pH. Which of these describes milk?
Slightly acidic
Strong acid
Neutral
Slightly basic
Milk does not have a pH
Noble gases are inert because they have completed outer electron shells. Which of these elements isn't a noble gas?
Helium
Argon
Chlorine
Neon
Which of these elements is a nonmetal?
Sulfur
Magesium
Aluminum
Beryllium
A particle moves on the x-axis. When the particle’s acceleration is positive and increasing
its velocity must be positive.
its velocity must be negative.
it must be slowing down.
it must be speeding up
none of the above must be true.
One of the following numbers is prime. Which is it?
2017 − 2
2017 − 1
2017
2017 + 1
2017 + 2
Which of the following is a function of the nucleus?
stores DNA
builds protein
stores sugars
packages proteins
The human brain is an example of a(n)
cell.
tissue
organ
organ system
Which of the following organisms are prokaryotes?
plants
animals
bacteria
fungi