Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
44 Cards in this Set
- Front
- Back
|
Name 4 pieces of safety equipment that you must become familiar with in a lab? |
Safety blanket, Fire extinguisher, eye wash station and safety goggles. |
|
|
What does WHMIS stand for? |
Workplace Hazardous Materials Informations System |
|
|
What does MSDS stand for |
Material Safety data sheet |
|
|
What does NFPA stand for? |
National Fire Protection Association |
|
|
How many periods does the periodic table have? |
There are 7 periods |
|
|
How many groups does the periodic table have |
There are 18 groups |
|
|
Where are the metals found on the periodic table |
Left side |
|
|
Where are the non metals found on the periodic table? |
Right side |
|
|
Which elements are found around the staircase of the periodic table? |
Metalloids |
|
|
Why are these elements at the staircase special? |
They are non metals and metals |
|
|
Which metal is liquid at room temperature? |
Mercury |
|
|
What does the atomic number represent? |
Known as the proton number and electron |
|
|
What does the atomic number mass represent? |
Neutrons and protons |
|
|
What are three ways that an atom can acquire a valance shell like. |
Lose, gain or combined |
|
|
What are cation |
Positively charged ion |
|
|
What are anions? |
Negatively charged ion |
|
|
What is ionic compounds? |
A chemical composed of jobs held together by electrostatics forces termed |
|
|
Trophies level? |
A feeding level |
|
|
Biological Magnification? |
A process of a chemical where the amount increases as you move up the food chain |
|
|
Nitrogen Fixation? |
The conversation of nitrogen gas in the atmosphere to ammonia |
|
|
Producer? |
Green plants that carry out photosynthesis to produce food |
|
|
Consumer |
Any organism which consumes producers or lower level comsumer |
|
|
Omnivore |
A consumer which consumes both meat and plants |
|
|
Food chain |
A path by which food is consumed grass> cow>human |
|
|
Decomposers? |
Any organism which consume dead plant and animal matter. |
|
|
Carrying Capacity |
Maximum number of organisms in a population that survive on the available resources. |
|
|
Herbivore |
A consumer that eats plants only. |
|
|
What are there abiotic factors in the human environment |
Sun, water, sunlight, soil |
|
|
What are three biotic factors in the human environment? |
Trees, plants and animals |
|
|
What are three important producers in the human environment |
Apples, carrots and Berry’s |
|
|
What is meant by the term interspecies competition |
Competition between different species like wolves, coyotes and pumas. |
|
|
What is meant by the term intraspecies competition? |
Competition among members of the same species, wolves vs wolves |
|
|
What are the cause of acid precipitation? |
Car exhaust and power plants |
|
|
Two example of how acid precipitation can have a negative impact on the environment? |
High acid levels in lakes kills aquatic life. High acid levels destroy waxy outer level of maples leaves. |
|
|
What does neutralization mean? |
When an acid and a base react quantitatively with each other |
|
|
what is Phenolphthalein? |
A indicator of acid and bases. |
|
|
Difference between a strong acid and a weak acid? |
Stronger acids have lower ph levels |
|
|
Difference between a strong base and a weak base |
Stronger base have higher ph levels |
|
|
Should you neutralize an acid with a base if you spill some acid on yourself? Why or why not? |
Yes if you know the ph level but no if you don’t. |
|
|
What does alkaline describe |
A ph great than 7 |
|
|
3 uses for sodium chloride |
table salt Food preservative Road salt |
|
|
What are 2 properties of acids? |
Ph level lower than 7 and turns litmus paper red |
|
|
What are 2 properties of bases |
Ph level higher than 7 and turns litmus paper blue. |
|
|
What is the difference between hydronium ion and hydrogen ion? |
Hydrogen ion is a charged ion and a hydronium ion has 3 hydrogen and one oxygen |
