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