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