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