WHS-Chem Test 3 - Skyndipróf
A) It is composed of protons only B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of electrons and neutrons
A) + B) 0 C) -
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) burning wood B) breaking a pencil C) digesting food D) cooking eggs
A) Atomic Number B) Discovery Date C) Alphabetical Order D) Atomic Mass
A) Protons B) Neutrons C) Valence Electrons D) Protons and Neutrons
A) shape B) color C) density D) pH
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons. B) protons plus the number of electrons. C) protons plus the number of neutrons. D) neutrons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) They are extremely rare in nature. C) a basically nonreactive. D) They form compounds with very bright colors.
A) are all metals B) are nonreactive C) exist in all three states of matter in normal conditions D) have only 1 valence electron
A) In the bottom rows. B) On the right side. C) On the left-most side. D) In the middle column of the periodic table.
A) number; mass B) color; smell C) mass;number D) location; ionization
A) 3 neutrons B) 6 neutrons C) 12 neutrons D) 8 neutrons
A) Alkaline Earth B) Alkali Metals C) Halogens D) Noble Gases
A) Noble Gases B) Akali C) Alkaline Earth D) Halogens
A) Noble Gases B) Alkali C) Halogens D) Alkaline Earth
A) Alkali B) Noble Gases C) Halogens D) Alkaline Earth
A) 5 B) 4 C) 3 D) 2
A) metals B) metalloids C) nonmetals
A) Ms. Watson B) Mendleev C) Mosely D) Einstein
A) According to atomic mass B) alphabetically C) by date discovered D) according to atomic number
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Number
A) protons B) neutrons C) electrons D) nucleus
A) reactivity B) flammability C) pH D) color
A) burning B) crushing C) adding dye D) breaking
A) vary within the same element B) can be observed with senses C) can only be observed by changing the substance D) only can be seen in a few elements
A) only can be observed in a few elements B) can be observes with the senses C) vary within the same element D) cn only be observed by changing the substance
A) chemical B) physical
A) physical B) chemical
A) it will float B) not enough information C) it will sink
A) meters B) grams C) kilograms D) hours
A) both accurate and precise B) precise C) nethier accurate or precise D) accurate
A) 1/100 B) 1/1,000 C) 100 D) 1,000
A) control B) independent C) dependent D) constant
A) strawberries B) fertilizer C) length of study D) growth
A) independent B) control C) constant D) dependent
A) beaker B) tongs C) stirring rod D) graduated cylinder
A) 0 B) 16 C) 10 D) 13
A) 17 B) 19 C) 35 D) 18
A) 26 B) 12 C) 14 D) 10
A) 10 B) 2 C) 8 D) 18
A) 57 amu B) 5.7 amu C) 115 amu D) 0.57 amu
A) 4 B) 3 C) 1 D) 2
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Chadwick B) Thomson C) Rutherford D) Democritus
A) Bohr B) Shrodinger and Heisenburg C) Rutherford D) Thomson 
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Atoms of the same element are exactly alike. B) Atoms combine to form compounds in simple whole number ratios. C) All matter is made of atoms.
A) Bohr B) Dalton C) Rutherford D) Chadwick
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) Electrons are positively charged. D) Electron number never changes.
A) positive charge B) smaller mass C) larger mass D) negative charge
A) protons B) positrons C) neutrons D) electrons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 0.094g B) 24g C) 17.5g D) 10.7g |
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