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) 0 C) +
A) have an equal number of neutrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of electrons and protons. D) have neutrons in their nuclei.
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) density D) color
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) protons. D) neutrons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are extremely nonreactive. D) They are located in the left-most column of the periodic table.
A) a basically nonreactive. B) They form compounds with very bright colors. C) They are highly reactive with both metals and nonmetals. D) They are extremely rare in nature.
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) color; smell C) location; ionization D) number; mass
A) 8 neutrons B) 12 neutrons C) 6 neutrons D) 3 neutrons
A) Noble Gases B) Alkaline Earth C) Alkali Metals D) Halogens
A) Akali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) 3 B) 5 C) 2 D) 4
A) nonmetals B) metalloids C) metals
A) Mendleev B) Ms. Watson C) Mosely D) Einstein
A) According to atomic mass B) by date discovered C) alphabetically D) according to atomic number
A) Atomic Mass-Atomic Number B) Atomic Mass C) Atomic Number D) Atomic Number-Atomic Mass
A) Atomic Number-Atomic mass B) Atomic Number C) Atomic Mass-Atomic Number D) Atomic Mass
A) electrons B) neutrons C) protons D) nucleus
A) flammability B) color C) reactivity D) pH
A) breaking B) adding dye C) crushing D) burning
A) can be observed with senses B) can only be observed by changing the substance C) vary within the same element D) only can be seen in a few elements
A) only can be observed in a few elements B) cn only be observed by changing the substance C) vary within the same element D) can be observes with the senses
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will sink C) it will float
A) kilograms B) meters C) hours D) grams
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) control B) dependent C) constant D) independent
A) strawberries B) fertilizer C) growth D) length of study
A) control B) independent C) constant D) dependent
A) graduated cylinder B) beaker C) tongs D) stirring rod
A) 16 B) 10 C) 13 D) 0
A) 18 B) 19 C) 35 D) 17
A) 12 B) 10 C) 14 D) 26
A) 10 B) 2 C) 8 D) 18
A) 115 amu B) 5.7 amu C) 0.57 amu D) 57 amu
A) 3 B) 1 C) 2 D) 4
A) Dalton B) Thomson C) Rutherford D) Bohr
A) Chadwick B) Thomson C) Rutherford D) Democritus
A) Thomson B) Rutherford C) Shrodinger and Heisenburg D) Bohr
A) Thomson B) Dalton C) Bohr D) Rutherford
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Bohr B) Dalton C) Rutherford D) Chadwick
A) Electron number never changes. B) The mass of electrons is much smaller than the mass of protons and neutrons. C) The mass of protons and neutrons are much smaller than the mass of the electron. D) Electrons are positively charged.
A) negative charge B) positive charge C) larger mass D) smaller mass
A) protons B) neutrons C) positrons D) electrons
A) 72g/ml B) 3g/ml C) 1.33g/ml D) 0.33g/ml
A) 17.5g B) 10.7g C) 24g D) 0.094g |