A) It is composed of protons and electrons B) It is composed of protons and neutrons C) It is composed of protons only D) It is composed of electrons 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 neutrons in their nuclei. D) have an equal number of electrons and protons.
A) digesting food B) breaking a pencil C) burning wood D) cooking eggs
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Protons B) Protons and Neutrons C) Valence Electrons D) Neutrons
A) color B) shape C) density D) pH
A) eight protons in its nucleus. B) a total of eight neutrons and electrons. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons plus the number of neutrons. B) protons plus the number of electrons. C) protons. D) neutrons.
A) They form negative ions with a -1 charge. B) They are usually gases. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
A) They are extremely rare in nature. B) They are highly reactive with both metals and nonmetals. C) a basically nonreactive. D) They form compounds with very bright colors.
A) are all metals B) exist in all three states of matter in normal conditions C) have only 1 valence electron D) are nonreactive
A) On the right side. B) On the left-most side. C) In the middle column of the periodic table. D) In the bottom rows.
A) location; ionization B) mass;number C) color; smell D) number; mass
A) 8 neutrons B) 3 neutrons C) 6 neutrons D) 12 neutrons
A) Halogens B) Alkali Metals C) Noble Gases D) Alkaline Earth
A) Akali B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) 2 B) 4 C) 5 D) 3
A) nonmetals B) metals C) metalloids
A) Mendleev B) Ms. Watson C) Einstein D) Mosely
A) alphabetically B) by date discovered C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Mass D) Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Number
A) protons B) nucleus C) neutrons D) electrons
A) color B) flammability C) pH D) reactivity
A) breaking B) adding dye C) burning D) crushing
A) vary within the same element B) only can be seen in a few elements C) can only be observed by changing the substance D) can be observed with senses
A) vary within the same element B) only can be observed in a few elements C) cn only be observed by changing the substance D) can be observes with the senses
A) chemical B) physical
A) chemical B) physical
A) it will float B) it will sink C) not enough information
A) hours B) grams C) meters D) kilograms
A) both accurate and precise B) accurate C) precise D) nethier accurate or precise
A) 1/100 B) 1/1,000 C) 1,000 D) 100
A) independent B) control C) constant D) dependent
A) growth B) strawberries C) fertilizer D) length of study
A) constant B) independent C) control D) dependent
A) graduated cylinder B) stirring rod C) tongs D) beaker
A) 16 B) 10 C) 0 D) 13
A) 18 B) 19 C) 35 D) 17
A) 10 B) 14 C) 26 D) 12
A) 18 B) 2 C) 10 D) 8
A) 0.57 amu B) 115 amu C) 57 amu D) 5.7 amu
A) 3 B) 2 C) 1 D) 4
A) Bohr B) Thomson C) Rutherford D) Dalton
A) Thomson B) Rutherford C) Chadwick D) Democritus
A) Thomson B) Rutherford C) Bohr D) Shrodinger and Heisenburg
A) Rutherford B) Thomson C) Bohr D) Dalton
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) Rutherford C) Chadwick D) Bohr
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electron number never changes. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electrons are positively charged.
A) larger mass B) smaller mass C) negative charge D) positive charge
A) positrons B) neutrons C) protons D) electrons
A) 1.33g/ml B) 3g/ml C) 72g/ml D) 0.33g/ml
A) 0.094g B) 24g C) 10.7g D) 17.5g |