Atom and Periodic Table
What is the central core of an atom that contains protons and neutrons?
Nucleus
In a chemical equation, the starting substances on the left side are called reactants. What are the new substances formed on the right side called?
Product
What is the equipment needed to measure electrical current?
Ammeter
What term describes all the living organisms in an area interacting with each other and their non-living environment?
Ecosystem
What primary bean-shaped organs in the human body filter waste products from the blood to form urine?
Kidneys
Which subatomic particle carries a negative electrical charge?
Electron
A + b -> AB, two simple reactants is creating more complex product. This reaction is called as..
Combination
The unit of measurement used for electrical resistor is..
Ohm
What is the producers in ecosystem?
Plants
The component with highest percentage in urine is
Water
On the periodic table, what are the vertical columns (which share similar chemical properties) called?
Group
Neutralization
In what type of electrical circuit is there only a single pathway for the electric current to flow?
Series
Decomposer
A duct coming out from every kidneys and transporting urine to the bladder is called as...
Ureter
An atom has 6 protons, 6 neutrons, and 6 electrons. What is its atomic number?
6
Magnesium Chloride
Materials like rubber, glass, and plastic that strongly resist the flow of electrical current are called as...
Isolator
What type of symbiotic relationship benefits two organism?
Mutualism
What would happen to the volume of urine when someone drinking a lot of water?
Increase or much urine
An atom has atomic number 8. In what group is the atom located?
6
When Hydrochloric acid is reacted with alkaline, it producing sodium chloride + water + carbon dioxide. What is the alkaline in the reactant?
Sodium carbonate
If the number of current in an electrical circuit is 10 A and the resistance is 2 ohm. Calculate the value of voltage!
20 Volt
What would happen if the number of a species in an ecosystem is kept decreasing along the time because of forest firing?
Extinction
What microscopic, functional filtering unit is found by the millions inside each human kidney?
Nephron