A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of electrons and neutrons D) It is composed of protons and neutrons
A) - B) + C) 0
A) have an equal number of neutrons and protons. B) have an equal number of electrons and protons. C) have an equal number of charged and noncharged particles. D) have neutrons in their nuclei.
A) burning wood B) digesting food C) cooking eggs D) breaking a pencil
A) Discovery Date B) Atomic Mass C) Atomic Number D) Alphabetical Order
A) Valence Electrons B) Neutrons C) Protons D) Protons and Neutrons
A) density B) color C) pH D) shape
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of electrons. B) neutrons. C) protons plus the number of neutrons. D) protons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) a basically nonreactive. C) They are extremely rare in nature. D) They form compounds with very bright colors.
A) are nonreactive B) have only 1 valence electron C) exist in all three states of matter in normal conditions D) are all metals
A) In the bottom rows. B) On the left-most side. C) On the right side. D) In the middle column of the periodic table.
A) mass;number B) color; smell C) location; ionization D) number; mass
A) 12 neutrons B) 8 neutrons C) 6 neutrons D) 3 neutrons
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkaline Metals
A) Halogens B) Noble Gases C) Akali D) Alkaline Earth
A) Alkali B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Alkaline Earth C) Alkali D) Halogens
A) 2 B) 5 C) 3 D) 4
A) metalloids B) metals C) nonmetals
A) Einstein B) Ms. Watson C) Mendleev D) Mosely
A) According to atomic mass B) according to atomic number C) alphabetically D) by date discovered
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic Mass D) Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) nucleus B) protons C) neutrons D) electrons
A) reactivity B) color C) flammability D) pH
A) density B) shape C) pH D) texture
A) adding dye B) breaking C) burning D) crushing
A) rusting B) breaking C) precipitate forming D) burning
A) only can be seen in a few elements B) vary within the same element C) can only be observed by changing the substance D) can be observed with senses
A) vary within the same element B) can be observes with the senses C) cn only be observed by changing the substance D) only can be observed in a few elements
A) chemical B) physical
A) chemical B) physical
A) not enough information B) it will sink C) it will float
A) kelvin B) liters C) meters D) second
A) grams B) meters C) kilograms D) hours
A) both accurate and precise B) nethier accurate or precise C) accurate D) precise
A) 1/100 B) 1,000 C) 1/1,000 D) 100
A) constant B) independent C) control D) dependent
A) strawberries B) fertilizer C) growth D) length of study
A) 0.0025m B) 2,500m
A) 1.65g B) 16.5g
A) 9.470x10-2 B) 9.470x102
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) dependent B) constant C) control D) independent
A) stirring rod B) tongs C) beaker D) graduated cylinder
A) 10 B) 16 C) 13 D) 0
A) 35 B) 19 C) 18 D) 17
A) 14 B) 12 C) 10 D) 26
A) 10 B) 18 C) 8 D) 2
A) 57 amu B) 5.7 amu C) 0.57 amu D) 115 amu
A) 2 B) 4 C) 3 D) 1
A) 67.2 mol B) 2 mol C) 89.6 mol D) 0.5 mol
A) 21.07 atoms B) 5.8x1022 atoms C) 1.72x1023 atoms D) 2.107x1024 atoms
A) 2,295ft B) 12,144ft
A) 33.3kg B) 6.75kg
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Thomson B) Democritus C) Chadwick D) Rutherford
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Bohr B) Dalton C) Thomson D) Rutherford
A) All matter is made of atoms. B) Atoms combine to form compounds in simple whole number ratios. C) Atoms of the same element are exactly alike.
A) Rutherford B) Chadwick C) Bohr D) Dalton
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) larger mass B) smaller mass C) negative charge D) positive charge
A) positrons B) neutrons C) electrons D) protons
A) 3g/ml B) 0.33g/ml C) 1.33g/ml D) 72g/ml
A) 17.5g B) 16g C) 10.7g D) 0.094g |