SGC-Chem Test 2 SP2 - Skyndipróf
A) It is composed of protons only B) It is composed of protons and electrons C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) 0 B) + C) -
A) have neutrons in their nuclei. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have an equal number of neutrons and protons.
A) breaking a pencil B) cooking eggs C) burning wood D) digesting food
A) Discovery Date B) Alphabetical Order C) Atomic Number D) Atomic Mass
A) Neutrons B) Protons C) Protons and Neutrons D) Valence Electrons
A) shape B) density C) color D) pH
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) a total of eight neutrons and electrons.
A) protons plus the number of electrons. B) neutrons. C) protons plus the number of neutrons. D) protons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are extremely nonreactive. D) They are located in the left-most column of the periodic table.
A) They are extremely rare in nature. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) exist in all three states of matter in normal conditions C) are all metals D) have only 1 valence electron
A) In the middle column of the periodic table. B) In the bottom rows. C) On the right side. D) On the left-most side.
A) location; ionization B) mass;number C) number; mass D) color; smell
A) 12 neutrons B) 6 neutrons C) 3 neutrons D) 8 neutrons
A) Halogens B) Alkaline Metals C) Alkaline Earth D) Noble Gases
A) Halogens B) Akali C) Alkaline Earth D) Noble Gases
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Alkali B) Noble Gases C) Alkaline Earth D) Halogens
A) 2 B) 4 C) 3 D) 5
A) metalloids B) metals C) nonmetals
A) Mendleev B) Ms. Watson C) Mosely D) Einstein
A) According to atomic mass B) alphabetically C) by date discovered D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) protons B) electrons C) neutrons D) nucleus
A) pH B) color C) reactivity D) flammability
A) pH B) shape C) texture D) density
A) burning B) breaking C) crushing D) adding dye
A) rusting B) breaking C) precipitate forming D) burning
A) vary within the same element B) can only be observed by changing the substance C) can be observed with senses D) only can be seen in a few elements
A) vary within the same element B) cn only be observed by changing the substance C) only can be observed in a few elements D) can be observes with the senses
A) chemical B) physical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
A) second B) liters C) kelvin D) meters
A) meters B) kilograms C) hours D) grams
A) nethier accurate or precise B) accurate C) both accurate and precise D) precise
A) 100 B) 1/100 C) 1/1,000 D) 1,000
A) control B) constant C) dependent D) independent
A) length of study B) fertilizer C) growth D) strawberries
A) 0.0025m B) 2,500m
A) 16.5g B) 1.65g
A) 9.470x10-2 B) 9.470x102
A) 4.2x10-3 B) 4.2x103
A) 875,000 B) 0.0000875
A) 63,400 B) 0.00634
A) dependent B) constant C) independent D) control
A) stirring rod B) graduated cylinder C) beaker D) tongs
A) 16 B) 10 C) 0 D) 13
A) 19 B) 35 C) 18 D) 17
A) 10 B) 26 C) 12 D) 14
A) 10 B) 8 C) 2 D) 18
A) 5.7 amu B) 57 amu C) 115 amu D) 0.57 amu
A) 3 B) 4 C) 1 D) 2
A) 0.5 mol B) 2 mol C) 89.6 mol D) 67.2 mol
A) 21.07 atoms B) 1.72x1023 atoms C) 2.107x1024 atoms D) 5.8x1022 atoms
A) 12,144ft B) 2,295ft
A) 6.75kg B) 33.3kg
A) Dalton B) Thomson C) Rutherford D) Bohr
A) Democritus B) Rutherford C) Thomson D) Chadwick
A) Rutherford B) Shrodinger and Heisenburg C) Thomson D) Bohr 
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Dalton B) Bohr C) Rutherford D) Chadwick
A) Electron number never changes. B) Electrons are positively charged. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) larger mass B) smaller mass C) positive charge D) negative charge
A) electrons B) positrons C) protons D) neutrons
A) 1.33g/ml B) 3g/ml C) 0.33g/ml D) 72g/ml
A) 16g B) 10.7g C) 0.094g D) 17.5g |
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