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